I could smell alcohol on his breath.

我闻得到他呼吸中有酒气.

She could smell alcohol on his breath.

她能在他的气息中闻到酒精.

An employee has come to work and is acting strangely. You talk to her and can smell alcohol on her breath.

4一名员工来上班，但举止古怪。你和她谈话时可以闻到她呼吸中有酒气。