pick holes in

US /pɪk hoʊlz ɪn/
UK /pɪk hoʊlz ɪn/
"pick holes in" picture
1.

あら探しをする, 欠点を見つける

to find fault with something; to criticize something by finding small mistakes or weaknesses in it

:
It's easy to pick holes in someone else's work.
他人の仕事のあら探しをするのは簡単だ。
No matter what I do, my boss always manages to pick holes in it.
私が何をしても、上司はいつもあら探しをする