wet your whistle
US /wɛt jʊər ˈwɪsəl/
UK /wɛt jʊər ˈwɪsəl/

1.
喝一杯, 润润喉
to have a drink, especially an alcoholic one
:
•
Let's stop at the pub and wet our whistles.
我们去酒吧喝一杯吧。
•
After a long day of hiking, we were ready to wet our whistles.
经过一天的徒步旅行,我们准备好喝一杯了。