tuck in

US /tʌk ɪn/
UK /tʌk ɪn/
"tuck in" picture
1.

大吃特吃, 尽情享用

to eat a lot of food with enjoyment

:
The children were starving, so they really tucked in when dinner was served.
孩子们饿坏了,所以晚餐上桌时他们真的大吃特吃
Go on, tuck in! There's plenty for everyone.
来吧,开吃吧!每个人都有很多。
2.

盖好被子, 安顿入睡

to make someone comfortable in bed by pulling the covers up around them

:
She tucked the children in and read them a bedtime story.
孩子们盖好被子,给他们读睡前故事。
Make sure you tuck him in tightly, it's cold tonight.
确保你给他盖好被子,今晚很冷。