Thumbing
vi. 翘起拇指请求搭乘（过路汽车）, 示意请求搭便车（thumb的现在分词形式）
🗣️ 情景例句
The only-child generation brings about many new social problems.
独生子女一代带来了许多新的社会问题。
I've had no time to prepare for this meeting, so I'll have to play it by ear.
我没有时间来准备这次会议，所以只好有什么说什么。
What do you think of his new job?
你对他的新工作看法如何？