Cy: Roedd yr haul yn tywynnu'n llachar dros yr ysgol.
En: The sun was shining brightly over the school.

Cy: Roedd yr awyr yn las a'r coed yn wyrdd iawn.
En: The sky was blue and the trees were very green.

Cy: Rhiannon oedd un o'r disgyblion gorau yn yr ysgol uwchradd.
En: Rhiannon was one of the best students in the high school.

Cy: Roedd hi'n gweithio'n galed bob dydd gan obeithio ennill ysgoloriaeth i brifysgol pell.
En: She worked hard every day, hoping to win a scholarship to a distant university.

Cy: Ond yn ddiweddar, roedd rhywbeth yn digwydd i Rhiannon.
En: But recently, something was happening to Rhiannon.

Cy: Roedd ei migryn yn dod yn waeth bob tro.
En: Her migraines were getting worse every time.

Cy: Un dydd, wrth gerdded i mewn i'r dosbarth, roedd Gareth yn sefyll wrth y drws.
En: One day, while walking into the classroom, Gareth was standing by the door.

Cy: "Helo Rhiannon," meddai, yn wên ar ei wyneb.
En: "Hello Rhiannon," he said, a smile on his face.

Cy: "A fyddai'n hoffi fy help i gyda gwaith cartref?
En: "Would you like my help with homework?"

Cy: " Roedd Rhiannon yn ansicr.
En: Rhiannon was uncertain.

Cy: Dydy hi ddim wedi siarad llawer gyda Gareth o'r blaen.
En: She hadn't talked much with Gareth before.

Cy: Ond roedd y boen yn ei phen yn gwaethygu, felly cytunodd.
En: But the pain in her head was worsening, so she agreed.

Cy: Roedd yn haf ac roedd y tymheredd uchel.
En: It was summer and the temperature was high.

Cy: Roedd y disgyblion yn ymchwilio ar gyfer eu arholiadau pwysig.
En: The students were researching for their important exams.

Cy: Bob dydd, Rhiannon yn astudio am oriau hir.
En: Every day, Rhiannon studied for long hours.

Cy: Ond pob tro roedd migraine yn taro, roedd popeth yn troi'n dywyll i Rhiannon.
En: But every time a migraine struck, everything turned dark for Rhiannon.

Cy: Ceisiodd cheddar meddygol er bod hi'n bryderus am y diagnosis.
En: She sought medical advice even though she was anxious about the diagnosis.

Cy: Roedd hi'n poeni y byddai'r meddyg yn ffeindio rhywbeth ofnadwy.
En: She worried that the doctor would find something terrible.

Cy: Roedd Gareth yn person garedig.
En: Gareth was a kind person.

Cy: Er bod Rhiannon yn swil, aeth hi at Gareth ac agorodd y galon wrth iddyn nhw weithio gyda'i gilydd.
En: Although Rhiannon was shy, she went to Gareth and opened her heart as they worked together.

Cy: "Rydw i'n ofni am fy mhen," meddai Rhiannon.
En: "I’m afraid for my head," Rhiannon said.

Cy: "Nid yw rhywun yn deall faint mae'n ei effeithio i fi.
En: "No one understands how much it affects me."

Cy: " Gareth yn clywed gyda synhwyro.
En: Gareth listened with empathy.

Cy: "Mae'n ddrwg gen i, Rhiannon," meddai'n dawel.
En: "I’m sorry, Rhiannon," he said quietly.

Cy: "Bydd popeth yn iawn.
En: "Everything will be alright.

Cy: Byddaf gyda ti drwy'r ffordd.
En: I will be with you all the way."

Cy: "Yn ystod un arholiad pwysig iawn, dechreuodd Rhiannon deimlo'r boen yn ei phen.
En: During one very important exam, Rhiannon started to feel the pain in her head.

Cy: Roedd hi'n dewis rhwng gadael yr arholiad i ofalu am ei hiechyd neu aros i orffen y prawf.
En: She had to choose between leaving the exam to take care of her health or staying to finish the test.

Cy: Wrth i'r boen gynyddu, roedd hi'n penderfynu aros.
En: As the pain increased, she decided to stay.

Cy: Roedd hi'n cofio ei huchelgais, ei breuddwydion.
En: She remembered her ambitions, her dreams.

Cy: Ond, yr boen yn ormod.
En: But the pain was too much.

Cy: Roedd hi'n colli.
En: She fainted.

Cy: Cafodd ei chymryd i'r ysbyty.
En: She was taken to the hospital.

Cy: Yno, dysgodd Rhiannon bod ei migryn wedi ei achosi gan straen.
En: There, Rhiannon learned that her migraines were caused by stress.

Cy: Roedd yn rhaid iddi dderbyn nad oedd hi'n gallu gwneud popeth ar ben ei hun.
En: She had to accept that she couldn't do everything on her own.

Cy: Penderfynodd siarad yn agored gyda'i theulu a'r cynghorwyr ysgol am ei huchelgais ac iechyd.
En: She decided to speak openly with her family and school counselors about her ambitions and health.

Cy: Ar ôl yr holl beth, dysgodd Rhiannon yr wybod i roi gofal ar ei hun.
En: After everything, Rhiannon learned the importance of taking care of herself.

Cy: Dechreuodd dderbyn help oddi wrth eraill a chydnabod eu terfynau.
En: She began to accept help from others and recognize her limits.

Cy: Gadawodd yr ysbyty gydag ysbryd newydd.
En: She left the hospital with a renewed spirit.

Cy: Yng nghanol yr haf poeth, roedd Rhiannon yn gwybod y byddai hi'n marchio ymlaen, yn gryfach.
En: In the middle of the hot summer, Rhiannon knew she would march on, stronger.

Cy: Roedd yr ysgol, gyda'i goed gwyrdd a'i lleisiau uchel, yn lle bywiog.
En: The school, with its green trees and loud voices, was a lively place.

Cy: Ond erbyn hyn, roedd Rhiannon yn gweld popeth yn fwy clir, yn fwy calonogol.
En: But now, Rhiannon saw everything more clearly, more hopefully.

Cy: Roedd hi'n barod i wynebu'r byd, gyda Gareth a'i chyd-ddisgyblion wrth ei hochr.
En: She was ready to face the world, with Gareth and her fellow students by her side.