I just want to make sure that we have stuff in common, ya know?我只是想确定我们有共同点

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'll make sure of the time of the flight.

我要核实一下这班飞机的时间。

in common共同的；共有的

The two sisters have nothing in common.

两姐妹没有什么共同之处。

You're not supposed to trust anybody.不相信人才是对的

be supposed to应该

They were supposed to be here an hour ago.

他们应该在一小时以前到达这里。

What time will we be supposed to arrive there.

我们应该什么时候到达那里。