sniff at something

He sniffed at the proposed plan, dismissing it as unworthy.

他对提出的计划嗤之以鼻，认为不值得考虑。

During the meeting, she sniffed at her colleague's suggestions, showing her contempt.

在会议期间，她对同事的建议嗤之以鼻，表现出她的轻蔑。

He sniffed at the movie reviews, believing they lacked substance.

他对电影评论嗤之以鼻，认为它们缺乏实质内容。

She sniffed at the new project, showing some interest and asking for more details.

她对新项目表现出兴趣，询问了更多细节。

He sniffed at the opportunity for success, displaying interest in the proposal.

他对成功的机会表现出兴趣，对提案显示了兴趣。

When she learned about the plan, she sniffed at it with noticeable interest.

当她了解到这个计划时，她表现出了明显的兴趣。