不由自主

She shivered involuntarily as he approached her.

他离她近，她不由颤抖起。

I found myself shaking uncontrollably with cold.

我发现己冷得不由哆嗦。

Oliver smiled in spite of himself.

奥利弗不由笑了笑。

This music sets your feet tapping.

这音乐能使你双脚不由跟着打拍子。

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，他不由打开盒子看了一眼。

Uncontrollable laughter seized us.

我们不由大笑起。

He gave an involuntary smile.

他不由笑了一下。

Her eyes strayed involuntarily.

她目光不由移开了。

Meg gave an involuntary exclamation.

梅格不由叫了起。

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，以此显示己长得不错，觉得己很了不起样子，其实很浅薄。其实只是因为我戴着隐形眼镜，眼睛干，不由就眨眼睛了。