Learning without thinking is of no use.

学而不思则罔。

Lucy got into the car without thinking.

露西没多想就上了车。

Without thinking, I leaned down and gave her a hug.

我没多想，俯身给了她一个拥抱。

Tell him directly and honestly that you were talking without thinking.

直接诚实地告诉他你说话不经过思考。

Only fools rush in without thinking.

只有傻瓜才会不加思考地冲进去。

He blurted out the secret without thinking.

他没有经过思考就脱口而出了这个秘密。

Sometimes, he would blurt things without thinking.

有时，他会不假思索地脱口而出一些话。

The impetuous teenager often acted without thinking.

这个冲动的少年经常不加思考地行动。

She made a brash decision without thinking it through.

她做了一个鲁莽的决定，没有仔细考虑。

He rushed headlong into the decision without thinking.

他轻率地做出了决定，没有经过思考。