They train dogs to sniff out drugs.

他们训练狗嗅出毒品。

《牛津词典》

The dogs are trained to sniff out drugs.

这些狗是经过训练的嗅毒犬。

《牛津词典》

Your job is to help people to sniff out the information they need.

你的工作就是要帮助人们过滤出他们需要的信息。

youdao

I took my role to sniff that out, and to make sure the president heard 2 and 4 on an important issue, and was able to make the decision himself.

我的作用就是发现这些，保证总统可以听到2和4这两个观点4,在一些重要问题上，然后他能自己做决定。

普林斯顿公开课 - 国际座谈会课程节选

That means people are able to sniff out suitable MHC genomes in prospective partners.

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Moreover, dogs have been trained to sniff out DVDs for raids on large bootlegging operations.

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Mr Bremer is also nominating a bevy of general inspectors, one for each ministry, to sniff out corruption.

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