honni

Mae hi'n honni bod hi'n gwybod dim byd amdano fe, ond dw i ddim yn ei chredu hi.

She claims that she knows nothing about him, but I don't believe her.

Mae hi'n honni bod hi'n gwybod dim byd amdano fe.

She claims that she knows nothing about him.

Yn anffodus, roedd y Llywodraeth yn gwrthwynebu hyn, gan honni y byddai ymchwiliad y Deyrnas Gyfunol yn darparu'r atebion yr oedd eu hangen arnom ni.

Unfortunately, the Government opposed this, claiming that the UK inquiry would provide the answers that we needed.

Mewn gwirionedd, mae ef yn honni y gallai hi fod ymhell dros flwyddyn.

In fact, he maintains it could be well over a year.

O ran y canlyniadau modelu a gyhoeddwyd, mae'n bwysig pwysleisio mai senarios yw'r rhain, nid rhagfynegiadau ar gyfer y dyfodol fel y byddai rhai yn honni.

In terms of the modelling results that were published, it's important to stress that these are scenarios, not, as some would have it, that they're predictions for the future.