Our manager tends to nitpick every slide before the quarterly sales meeting.

我們經理總愛在季度業務會議前挑剔每一張投影片。

Please don't nitpick the wording of the email; just send it to the client today.

請不要對這封電子郵件的措辭吹毛求疵，今天就把它寄給客戶吧。

The customer kept nitpicking about minor scratches on the packaging after delivery.

顧客在收貨後一直挑剔包裝上的細微刮痕。