1、vi. 呼吸；低语；松口气；（风）轻拂；

2、vt. 呼吸；使喘息；流露；低声说；

3、The air was so cold we could hardly breathe. 空气非常寒冷，我们难以呼吸。

4、They inserted a tube in his mouth to help him breathe. 他们在他嘴里插了根导管帮助他呼吸。