找碴

例句：

1. 1. He was always looking for reasons to find fault with others.
   他总是找理由挑剔别人。
2. 2. They argued over a small issue, but it quickly turned into a full-blown argument.
   他们为了一个小问题争吵起来，但很快就演变成了一场激烈的争论。
3. 3. The teacher found fault with the student's work and criticized them for their mistakes.
   老师对学生的作品提出了批评，并指出了他们的不足之处。