I know a thing or two about it.

我对此略知一二。

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By now I know a thing or two about this mouse, which is why I feel optimistic that my idea for a homemade mousetrap will work.

到现在为止我对这只老鼠还是有点了解的，这亦是我对自制鼠夹抱乐观态度的原因。

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So I happen to know a thing or two about learning to appreciate Chinese pop as a westerner.

因此我对“西方人如何学着欣赏华语流行音乐”这个问题还是要一定发言权的。

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