他以平静的顺从面对不可避免的事情。

He faced the inevitable with quiet ___resignation.

她无奈地叹了口气，接受了这个决定。

She sighed in ___resignation and accepted the decision.

他们对严酷现实的顺从是成熟的标志。

Their ___resignation to the harsh realities was a sign of maturity.