have to

US /hæv tə/
UK /hæv tə/
"have to" picture
1.

必須, 不得不

used to express obligation or necessity

:
I have to go now.
必須走了。
You have to finish your homework before you play.
必須先完成作業才能玩。
2.

一定, 肯定

used to express certainty or strong probability

:
It has to be true.
一定是真的。
She has to be home by now.
她現在一定在家了。