When you feel stressed out, you can also try to sit up straight or stand tall.

当你感到压力大的时候，你也可以试着坐直或站直。

youdao

Pull yourself together and try and stand up straight.

打起精神，站直。

youdao

"Stand straight, stand tall," he would always tell himself.

“要站直，站得昂首挺胸。”他总是这样告诉自己。

youdao

It's not really hard. You just make your bed neat, remember to stand up straight, and always answer every question with "Yes, Drill Sergeant."

VOA: standard.other

You have a wind that blasts from God's nostrils, the waters stand straight like a wall, and at a second blast, the sea then covers the Egyptians, and they sink like a stone in the majestic waters.

从上帝的鼻孔里吹出来一阵狂风,水墙骤起，第二阵狂风吹起,海水淹没了埃及士兵，他们就像石头一样沉入水底。

耶鲁公开课 - 旧约导论课程节选

I mean, I can't stand up straight.

我是说，我都站不直了。

Let's 实战 - SpeakingMax英语口语达人

Third, we can stand straight, like a soldier, only without quite so much tension in the shoulders.

FORBES: Bill Gates and the Head Posture: Can You Get Away With It?

Instead they are told to stand straight, arms at their side.

BBC: Makeover for the men in black

Getting this wobbly droid simply to stand up straight is a challenge, but Blackwell is optimistic.

FORBES: Magazine Article