1、definite

明确的;确定的

It's too soon to give a definite answer.

要给出一个明确的答复，现在还为时过早。

Her Royal Highness has definite views about most things.

女王陛下对大多数事情都有明确的观点。

(证据或信息)确凿的，确切的

We didn't have any definite proof.

我们没有任何确实的证据。

If you have any definite news of my husband, please let me know.

如果有我丈夫的确切消息，请一定告诉我。

清楚的;明显的;无疑的

There has already been a definite improvement.

已经有了显著的改进。

That's a very definite possibility.

那是很有可能的。

2、check out

结账退房;结账离开(诊所);给…办理结账手续

They packed and checked out of the hotel.

他们收拾好东西，办理了退房手续。

I was disappointed to miss Bryan, who had just checked out.

我非常失望没有见着布赖恩，他刚退房走了。

了解清楚;核实;查实

Maybe we ought to go down to the library and check it out.

或许我们应该去趟图书馆，查个明白。

We ought to check him out on the computer.

我们理应在电脑上查清他的资料。

经证实是对的;符合要求

She was in San Diego the weekend Jensen got killed. It checked out.

詹森遇害的那个周末她在圣迭戈，后经查证情况属实。

Everything checks out.

查过了，一切正常。