spend a penny
US /spɛnd ə ˈpɛni/
UK /spɛnd ə ˈpɛni/

成语
1.
上厕所, 去洗手间
(British, informal, euphemistic) to use a toilet
示例:
•
Excuse me for a moment, I just need to spend a penny.
抱歉,我需要去洗手间。
•
After the long journey, everyone was desperate to spend a penny.
长途旅行后,每个人都急着去洗手间。
在 Lingoland 学习这个单词