1.
You will have to mind your p's and q's while your aunt is staying with us.

你姑妈住在我们家里的时候,你要谨言慎行。
2.
The supervisor is all right as long as you watch your p's and q's.

只要你能谨言慎行,主管还是很好相处的。
3.
You must be careful about (as to) what you say or do.

你一言一行都必须谨慎小心。
4.
We should, therefore, be careful about what we say or do

因此,我们应谨言慎行,
5.
Be sure to email us. And behave yourself.

要记得写伊媚儿给我们。还有要谨慎自己的言行。
6.
You'll have to mind your p's and q's if you want to give her a good impression.

如果你想给她留下个好印象,就应该谨言慎行。
7.
You must school yourself to be modest and prudent.

你要学会谦虚谨慎。
8.
Zeal should not outrun discretion.

要热情更要谨慎。(注解:语出伊索寓言。)
9.
You can pat yourself on the back for controlling what comes out of your mouth.

你可以咬紧牙关控制自己谨言慎语。
10.
He couched his demands in careful, polite language.

他用谨慎礼貌的语言陈述了他的要求。
11.
Born in 1946: Plan ahead. Proceed with caution.

1946年出生者:提早订定计划。谨言慎行。
12.
"So keep watch on yourselves, and see that you have love for the Lord your God."

你们要分外谨慎,爱耶和华你们的神。
13.
They will be afraid of you, but be very careful.

他们必惧怕你们,所以你们要分外谨慎。
14.
You' ll be in trouble if you don' t watch your step.

你要是不谨慎从事就要倒霉了.
15.
you should do it very carefully and keeping out of sight with care.

你必须小心谨慎,注意不要暴露。
16.
He is discreet in his behavior [in choosing his friends].

他行为 [择友] 谨慎。
17.
I'm sure you don't want reminding of the need for discretion.

我知道无需提醒你一切需谨慎行事.
18.
A reasonable degree of prudence is often lacking in your actions.

你的行动经常缺乏一定程度的谨慎。