check-up

柯林斯詞典

1. PHRASAL VERB If you check up on something, you find out information about it. 調(diào)查
It is certainly worth checking up on your benefit entitlements. 調(diào)查一下你的福利權(quán)益無疑是值得的。
2. →see also checkup
3. PHRASAL VERB If you check up on someone, you obtain information about them, usually secretly. (私底下) 調(diào)查
I'm sure he knew I was checking up on him. 我確信他知道我在私底下調(diào)查他。