The army is only mentioned in passing.

军队只是顺便被谈及。

He noted in passing that the company's record on safety issues was not good.

他顺便提到该公司在安全方面的记录不好。

He only mentioned it in passing and didn't give any details.

他只是随口提及而已，并没有谈任何细节。

The chairman accused the committee of the delay in passing his program.

主席指责委员会延迟通过他的计划。

He was unable to maintain the image of the perfect gentleman for which he had succeeded in passing at first.

他已无法维持他最初的完美绅士的形象了。