I'll be more careful about what I say.

我会更注意我说的话。

She was very careful about her diet during her pregnancy.

她在妊娠期间非常注意饮食。

I will be careful about hereafter!

我以后会小心的！

Gatsby's very careful about women.

不错，盖茨比在女人方面非常规矩。

The old lady is careful about her dress.

那老妇人对服装很讲究。

Be careful about the make up you use...

对你所使用的化妆品可要小心了...

WE should be careful about body language.

我们应该对身体语言小心。

I want to be careful about qualifying that.

我会谨慎地求证这一点

Is careful about what he says in e-mails.

在电子邮件里谨慎地说话。

Yeah, Gatsby's very careful about women.

不错，盖茨比在女人方面非常规矩。