must的意思

基本释义

• 必须

  to have to do something because it is necessary or important, or because of a law or order

例句

1. All passengers must wear seat belts.

   所有乘客都必须系安全带。

2. It’s getting late. I really must go.

   天晚了，我真的必须走了。

3. You must work hard.

   你必须努力工作。

短语

• must be 一定；一定要；肯定是
• must have 必须拥有；非有不可
• must have been 一定（对过去事实肯定的推测）
• must have done 必定做了…（表示对过去的推测）
• must be going 该告辞了；必须去

近义词

同根词