You have to be strong and confident, and never give the slightest impression that you can't hack it.

你必须坚强和自信，决不要给人留下丝毫应付不了此事的印象。

《柯林斯英汉双解大词典》

Maggie James: [to Conor] You have to be strong!

玛吉·詹姆斯：[对柯洛]你必须坚强起来！

youdao

You have to be strong enough to deal with that and I believe he is.

你必须要足够坚强地去应付这些，我相信他可以。

youdao

"It sends a very strong message to the local population that if you have dangerous guests, be prepared for very bad consequences,"

VOA: standard.2009.03.19

So you don't have to be a critic; you have to be strong; but you know what? You can be the average man, because this is a story about the average man.

所以你不需要当一个批评家;,但是你要坚强，知道么？,你可以是平常人,因为这是一个平常人的故事。

耶鲁公开课 - 1945年后的美国小说课程节选

You have to be strong, but we got nothing to harvest.

BBC: US crops tell story of future world food prices

But beneath the depiction of that chaos, beneath that fearful presentation, there is also a sense that if you come to Lagos, the songs seem to say, you just have to be strong, you have to stand on your own two feet, you have to lose your innocence, you have to learn so much, you have to be wise.

BBC: Sense of the City: Lagos

You have to be a strong person to admit that to yourself and sort it out, rather than bottling it up.

BBC: Eye therapy to tackle military stress