1·I mention this point now in passing and shall refer to it again.
这一点现在顺便提一下，以后还会讲到。
—— 《新英汉大辞典》
2·Curiously, and almost in passing, he makes an exception for physical attractiveness.
好奇地或者几乎是顺便，他对身体的吸引力做成了一个例外。
3·They added in passing that the receiving news outlet might also not be immune from prosecution.
他们还顺便提到，这些接受信息的出口可能也免不了被起诉。
4·In passing, Bob mentions an article which estimates the salary impact of an AER publication.
顺便说下，BOb曾提起过有篇关于估算稿酬对AER刊物的影响的文章。
5·He also points out, in passing, various questions of the sort which have cropped up early this year.
他也顺便指出了今年早些时候就突然出现的诸如此类的各种问题。