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to belt up
[phrase form: belt]
01
闭嘴, 停止谈话
to suddenly become silent or stop talking
02
系上安全带, 佩戴安全带
to secure oneself in a vehicle by putting on a seat belt
belt up
v
例子
The children were instructed to belt up during the assembly.
The boss expected the employees to belt up and get back to work.
He chose to belt up when his opinion was not welcomed.
She decided to belt up and listen instead of arguing.
The teacher signaled for the class to belt up and prepare for the lesson.
