必須經常做某事的英文

Have to do something often

必須───must;經常───often

The stew must be boiled up before serving.───燉肉必須煮熟才能上桌.

The wicked must be wiped out.───惡人必須除掉.

I can't explain such a statement by him on the basis of logic. He must have blown his top.───我從邏輯推理方面解釋不了他講的這番話,他想必是神經錯亂了.

Only a few students passed the exam, so you can see that the paper must have been extremely stiff.───只有幾個學生通過了考試, 可見考題是很難的.

There must be something wrong with my left arm, which is asleep.───我的左臂發麻,一定出什么問題了.

Hospital operating instruments must be sanitary.───醫院的手術器械必須是消過毒的.

This structure must be stable.───這種結構一定很穩固。

We are in the same boat; we must help each other.───我們既然同舟, 就要共濟.

There must be an error in our calculations.

We must make massive efforts to improve it.

We must reinforce the troops at the front.

We must stock up for the winter.

A full cup must be carried steadily.