你可要

you really must

→ 你
phrase Rare #21,770
you really must Adds emphasis to a reminder, warning, or urging; often has the sense of “you’d better.”
CH: 你可要记得带伞。
EN: You really must remember to bring an umbrella.

你可要多加小心

You’d better be extra careful.

— 完美陌生人 (2016)

不过,你可要请吃饭

But you have to treat me to a meal.

— 花样年华 (2000)

所以啊你可要好好听话哦

So, you’d better be a good listener, okay?

— 看见恶魔 (2010)

“你可要小心,”他回答,“那片水域对一位年轻姑娘来说太险了。”

“You’d better be careful,” he replied. “Those waters are far too dangerous for a young lady.”

你可要多做很多功夫

You'll have to put in a lot more effort.

— 重庆森林 (1994)