本能地

Jannie instinctively hid her cigarette behind her back.

詹妮把香烟藏到背后。

He knew instinctively where he would find her.

他知道在哪儿找到。

As he leaned towards her she instinctively recoiled.

他近，往后缩。

I reacted instinctively because I had been drilled to do just that.

我作出应，因为我一直被训练这样去做。

Her hands clenched involuntarily.

攥紧了拳头。