belt up
片語動詞所屬單字belt
belt up — 片語動詞
1. to fasten the seat belt in a car, or, used as a sharp order, to stop talking and
1.片語動詞
釋義
繫上安全帶；（命令）閉嘴
to fasten the seat belt in a car, or, used as a sharp order, to stop talking and be quiet.
例句
Nia reminded the children to belt up before she started the engine.
Belt up, you two — I am trying to listen to the news.