不由自主

I found myself shaking uncontrollably with cold.

我发现自己冷得不由自哆嗦。

She shivered involuntarily as he approached her.

他离她越来越近，她不由自颤抖起来。

Oliver smiled in spite of himself.

奥利弗不由自了。

Uncontrollable laughter seized us.

我们不由自大起来。

He gave an involuntary smile.

他不由自了一下。

This music sets your feet tapping.

这乐能使你不由自跟着打拍子。

Meg gave an involuntary exclamation.

梅格不由自叫了起来。

Her eyes strayed involuntarily.

她目光不由自移开了。

Eventually, his curiosity got the better of him and he had to take a look in the box.

最后，他好奇心占了上风，他不由自打开盒子看了一眼。

For example, once a girl found I like nictation, she said because I through that way to attractive others eyesight and show my beauty, actually my behaviour is empty-headed.

比如上大学时候有女孩说我总是喜欢眨眼睛，以此来显示自己长得不错，觉得自己很了不起样子，其实很浅薄。其实只是因为我戴着隐形眼镜，眼睛干，不由自就眨眼睛了。