in bed
成語所屬單字bed
in bed — 慣用語
1. Used to refer to sexual activity.
1.慣用語
釋義
在床上（指性行為）
Used to refer to sexual activity.
例句
What's he like in bed? I'm curious.
They were caught in bed together by her roommate.
2. engaged in sexual activity with another person — used as an indirect way to talk
2.慣用語
釋義
在性事方面；床上功夫（委婉說法）
engaged in sexual activity with another person — used as an indirect way to talk about sex, especially when describing someone's skill or behaviour.
例句
Sophie giggled and told her friends that her new boyfriend was surprisingly good in bed.
Otto joked that his new boyfriend was surprisingly shy in bed.