'You must fight for the country'.

“你必须为你的国家而战”。

youdao

This task is very difficult, but you must fight for it.

这项任务很困难，但是你必须努力完成。

youdao

If you would be free men, then you must fight to fulfill that promise!

如果你想获得自由，就必须做到！

youdao

On the other hand, guys who were engaged in a fight of the kind we must imagine get very angry; these guys killed a buddy next to you.

另一方面,人们在这样的战争中作战,敌人杀死了身边的战友,我们可以想象他的愤怒

耶鲁公开课 - 古希腊历史简介课程节选

You will find that, even if you succeed in discounting the attitudes of others to you and your life, you must wrestle with yourself most of all, fight with yourself, for there will surge up in you a strong desire to alter facts, to dress up your feelings.

你会发现，即使你可以忽略,其他人对你及你的生活的态度，你还得和自己战斗，几乎是和自己抗争，这样你就会有种强烈的欲望，要扭曲事实来添油加醋地描述你的感觉。

耶鲁公开课 - 1945年后的美国小说课程节选

"You must commit yourself in public, and in the light of day, to opposing al-Qaida and you must go fight al-Qaida, " Allen says.

NPR: Long-Awaited Fallujah Rebuilding Shows Promise

You must find out so that you can fight him.

NPR: Play Captures Life Under South African Apartheid