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、go off

对…不再喜欢；失去对…的兴趣

Why have they gone off him now? It could be something he said.

“他们现在怎么不喜欢他了？”—“可能是因为他的某些言论。”

I started to go off the idea.

我开始对这一想法失去兴趣了。

进行；进展

The meeting went off all right.

会议进行得十分顺利。

The voting went off without any undue irregularities.

这次投票顺利进行，未发生任何违规行为。

（爆炸装置）爆炸；（枪）开火

A few minutes later the bomb went off, destroying the vehicle.

炸弹几分钟后爆炸，炸毁了那辆车。