It's really very easy to find out what you need to know about people.想要了解一个人还是非常容易的

find out:发现；找出来；揭发

I'd like to find out about train to Las Vega.

我想知道去拉斯维加斯的情况。

You can find out many advantages in urban life.

你会发现都市生活中有许多便利之处。

I just want to make sure that I'm being clear.我只是想表明我的立场

make sure:弄明白； 设法确保

I'm going to make sure if I'm going to Macao.

我要拿定主意我是否去澳门。

I tried to make sure of the problem.

我想把这个问题弄明白。

but I'm not gonna stand by and let you ruin him.但是我也绝不会放任你毁了他

stand:忍受

用法:引申还可表示“在某处,位于”“维持现状”“高度为…”“看情形很可能做某事”“不流动”“自己向某人提供某物”“任候选人”“容忍,忍受”等。

I don't have to stand for such rude behavior.

我不要忍受如此粗鲁的行为。