副詞 in passing:

1. incidentally; in the course of doing something else
   同義詞：en passant

1. That girl's a bag of nerves. I just gave the back of her hair a flick in passing and she was out for her chair like a scalded cat.
   那個(gè)姑娘十分緊張，我從她身邊經(jīng)過時(shí)，只是在她背后的頭發(fā)上輕輕碰一下，她就驚嚇得從椅子上跳了下來。
2. There is little merit in passing the examination if you cheated.
   如果你作弊，考試及格也沒什么價(jià)值。
3. He mentioned in passing that he had a new car.
   他順便提到他有一輛新汽車。