If not strong, weak to whom.

如果不坚强，软弱给谁看。

youdao

The child has not a strong constitution, and if you keep her here, she might never get well again.

这孩子体质不强，如果你把她留在这儿，她可能永远也不会好了。

youdao

If you have strong and healthy good habits, it doesn't matter whether you fail or not today, because you are sure to succeed in the end.

如果你有强壮健康的好习惯，今天失败与否都不重要，因为你最终一定会成功。

youdao

"They have not got their acts together. So I think the Swat operation has sent a very strong signal and if the government now starts an operation in even Waziristan, which is considered as a hard nut, I think it has good chances to succeed."

VOA: standard.2009.09.14

So my walk is, it's not confident and I'm not sure if I'm strong in my step yet.

所以我的走姿不是特别自信，担心步伐会不稳。

I wonder if 实战 - SpeakingMax英语口语达人

It's not, it's certainly not as strong as in many other countries if you look at a lot of European countries.

这当然赶不上很多国家，如果你看看许多欧洲国家的话。

扶贫政策 - SpeakingMax英语口语达人

"I think earlier on he had given a couple of decisions that were offside as well, but if they keep doing it and doing it, they get fed up with the fans giving them stick and, if you are not strong enough, they will give it, " he said.

BBC: Hearts boss Jim Jefferies reports referee Willie Collum

That is, if you are not a strong enough economy to pay high wages, you will likewise not be a strong enough economy to ensure against dumping, occupational exposure to workers, rights of workers to redress harm, infrastructure to manage toxic residual material downstream, government monitoring and enforcement of laws etc.

FORBES: It's Easy Enough To Solve The Problem Of E-Waste

No global champion can claim to be a champion if their home base is not strong.

WSJ: Maybank Spreads Its Arms Across Southeast Asia