It is a slippery slope. And, we're not careful, before we know it all of us will be in a much more dire situation."

VOA: standard.2009.11.11

You're gonna have to be a little more careful when it comes to adding stuff to an array and removing it from.

当你向数组里面添加东西或者从中取出东西时,要非常非常的小心。

哈佛公开课 - 计算机科学课程节选

You have to be more careful.

你要格外小心。

是市民的朋友 - SpeakingMax英语口语达人

By reducing the discussion to a simplified fear campaign aimed at stopping the development of autonomous systems, HRW may very well be preventing the deployment of systems that can be more careful and less likely to harm civilians.

FORBES: Fear and the Killer Robots Meme

And, because people would be spending their own money, most of them would be more careful with it.

FORBES: Conservatives Are Missing The Point On Welfare Reform

As Facebook gets bigger and more powerful, it certainly needs to be more careful about the changes it makes and the way it communicates them.

FORBES: Ignore The Screams--Facebook's Aggressive Approach Is Why It Will Soon Become The Most Popular Site In The World