プログレッシブ和英中辞典(第３版)の解説
やむをえず【×已むを得ず】
reluctantly; unwillingly
- やむなくその仕事を引き受けた
I was compelled [forced] to undertake the job. - やむなくあきらめることにした
I reluctantly [unwillingly] decided to give up. - やむなく辞表を出した
I had no choice but to quit.