It took me about two hours to pluck up the courage to call.

大约两小时后我才鼓起勇气打了电话。

Tom begged her to pluck up hope again, and she said she could not.

汤姆求她再打起精神来，而她说她做不到。

Pluck up! You aren't hurt badly.

振作精神，你的伤势不重。

Pluck up your courage and try again.

鼓起勇气，再试试看。