Bethumb
用拇指弄脏或留下痕迹
🗣️ 情景例句
We need a man who knows the ropes.
我们需要位内行人士。
There's no such thing as a free lunch.
天下没有白吃的午餐。
To serve the people well, I study hard.
为了更好的服务于人民，我好好学习。