It's an old trick but it just might work.

这是个老掉牙的把戏了，不过也许会有用。

柯林斯例句

He must have been pretty gullible to fall for that old trick.

他准是有点儿傻,才落入那惯用的圈套.

辞典例句

You can't fool me with that old trick!

你玩弄那种老花招骗不了我!

辞典例句

We have known this old trick of his for a long time.

他的惯伎,我们早就知道了.

互联网

I can't believe you would fall for that old trick.

我不相信你会上那老把戏的当.

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Only a credulous person would fall for that old trick.

只有轻信他人的人才会上了他的当.

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Adopting old trick to do new business.

借故智,成新事.

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