U-1：under one's belt 已经历过
A:I have five trips around the whole country under my belt and I'm planning to visit Italy this summer.
A:我已经在全国旅游观光过五次了，今年夏天我想去意大利。
B:You're a lucky dog.
B：你真幸运。
A:I'm a tourist guide, you know.
A:你知道我是个导游嘛。
