vest-pocket
01
背心口袋, 小到可以放进背心口袋
small enough to fit in a vest pocket
例子
He always carried a vest-pocket notebook to jot down his creative ideas whenever inspiration struck.
他总是带着一个背心口袋笔记本，随时记下灵感来袭时的创意想法。
The detective pulled out a tiny vest-pocket flashlight to examine the dark alley.
侦探拿出一个背心口袋小手电筒来检查黑暗的小巷。
