Je was op zoek naar: dirywiodd (Wels - Engels)

dirywiodd lefel yr ansawdd aer mewn ardaloedd trefol a gwledig y llynedd
the level of air quality decreased in urban and rural areas last year

dirywiodd cymaint yn ystod y cyfnod hwnnw fel y bu'n rhaid iddo ddefnyddio baglau
his deterioration during that wait was such that he resorted to using crutches

gwnaeth rhai grwpiau'n well na'i gilydd yn y gymdeithas ôl-ddiwydiannol a ffynnodd rhai ardaloedd tra dirywiodd eraill
some groups have done better than others in post-industrial society and some areas have prospered while others have declined

ni fyddai ceisio gwneud y dull gweithredu hwnnw'n gyfreithiol orfodadwy ond yn fodd i ddangos y graddau y dirywiodd cysylltiadau neu gyn lleied o ffydd sydd gennym yn ewyllys da pobl eraill
trying to make that approach enforceable in law would only serve to demonstrate how far relations have broken down or how little faith we have in the goodwill of others

dirywiodd y blaid i fod heb yr un aelod seneddol yng nghymru yn 1997 , ac fe'ch sicrhaf , brif weinidog , inni ddysgu'r wers honno
the party was reduced to having no members of parliament in wales in 1997 , and i assure you , first minister , that we have learnt that lesson

bob blwyddyn , byddwn , fel meddyg , yn dod ar draws un neu ddau achos , ac ar hyd y blynyddoedd dirywiodd y rhaglen frechu bcg wrth i tb dreiglo o'r ymwybyddiaeth genedlaethol
every year in practice there would be one or two cases , and over the years the bcg vaccination programme has lapsed as tb has fallen out of the national consciousness

gyda phob ewyllys da yn y byd a chymorth pob un o'r asiantaethau , gan gynnwys save britain's heritage , a chyda chymorth yr holl bobl a'r arbenigedd , methwyd â dod o hyd i unrhyw ateb gwirioneddol i'r broblem a dirywiodd y ffatri ymhellach
with all the will in the world and all the agencies , including save britain's heritage , and with all the people and expertise , we failed to find any tangible answer to the problem and the factory deteriorated further