ケチを付ける

ケチをつける, けちをつけるkechiotsukeru

expression · ichidan verb

1. to find fault (with)
2. to cavil (at)
3. to carp (about)
4. to complain
5. to pick holes (in)
6. to throw a wet blanket (on)
7. to throw cold water (on)
8. to jinx

Study it in Yanamino