1. 我鼓起勇氣向她求婚。
   I plucked up/summoned up my courage (ie controlled my fear) and asked her to marry me.
2. 我得鼓起勇氣跟她談這件事。
   I shall have to pluck up courage and speak to her about it.
3. 我的口袋因裝著蘋果而鼓起來了。
   My pockets were bulging with apples.
4. 我一點也吃不下，肚子都鼓起來了。
   I can't eat any more; my stomach is bulging.
5. 他不能鼓起足夠的勇氣請她一起外出。
   He couldn't pluck up enough courage to ask her to go out with him.
6. 他鼓起全部的勇氣參加比賽。
   He mustered all his courage to take part in the game.

鼓的英語翻譯：

起的英語翻譯：