I haven't yet plucked up the courage to ask her.

我还鼓不起勇气去问她。

《牛津词典》

I finally plucked up the courage to ask her for a date.

我终于鼓起勇气约她出去。

《牛津词典》

She plucked up the courage to sign up for the competition.

她鼓起勇气报名参加比赛。

youdao

In 1978, Philpott tried to kill girlfriend Kim Hill when she plucked up the courage to leave him.

BBC: Philpotts case a 'classic example of domestic violence'

Mr Hague, smiling at her side, has not yet plucked up the courage to free himself from her baleful influence.

ECONOMIST: A stirring in the attic

What the politicians have now plucked up courage to advocate would not come amiss in most other fields of German life: fewer fussy rules, more flexibility and greater competition.

ECONOMIST: German slouches beware