1、definite

明確的;確定的

It's too soon to give a definite answer.

要給出一個明確的答復，現在還為時過早。

Her Royal Highness has definite views about most things.

女王陛下對大多數事情都有明確的觀點。

(證據或信息)確鑿的，確切的

We didn't have any definite proof.

我們沒有任何確實的證據。

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

如果有我丈夫的確切消息，請一定告訴我。

清楚的;明顯的;無疑的

There has already been a definite improvement.

已經有了顯著的改進。

That's a very definite possibility.

那是很有可能的。

2、check out

結賬退房;結賬離開(診所);給…辦理結賬手續

They packed and checked out of the hotel.

他們收拾好東西，辦理了退房手續。

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

我非常失望沒有見著布賴恩，他剛退房走了。

了解清楚;核實;查實

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

或許我們應該去趟圖書館，查個明白。

We ought to check him out on the computer.

我們理應在電腦上查清他的資料。

經證實是對的;符合要求

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

詹森遇害的那個周末她在圣迭戈，后經查證情況屬實。

Everything checks out.

查過了，一切正常。