There's something fishy going on here.

这儿有点不大对头。

《牛津词典》

There seems to be something fishy going on.

好像有可疑的事情发生。

《柯林斯英汉双解大词典》

Visitors to this concert might well have thought something fishy was going on when they saw the musicians put on their wet suits.

来看这场音乐会的观众看到音乐家门穿上他们的潜水服，他们很可能会认为某种可疑的事正在进行中。

youdao

It does certainly seem like something fishy going on with Likes on Facebook.

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Even Thais who disdain both the rival colour-coded camps smell something fishy here.

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Moreover, reports persist, always denied, that there was something fishy about the way he financed his home in the Ruhr years ago.

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