His actions are so irrational that I think he must be off his chump.

He seems to be off his game.

他看上去比赛状态不佳.

Don't be off guard! You mustn't tell anything to him.

不要失去警惕, 你一定不要告诉他任何事情.

I must be off now to see after him.

我现在一定要去照料他了.

" Well , I must be off now, Mei-ching.

“ 眉! 我就走了.

If you think this film is good you must be off your nut.

如果你认为这是一部好电影,那你就错了.

You must be off your nut, going out in the weather like this.

你在这样的天气出去一定是疯了!

The British establishment seems to be off on another quest for fool's gold.

这家英国机构似乎开始了又一次徒劳无功的探索。

The dog strains at the leash, eager to be off.

狗拼命地扯拉皮带, 想挣脱开去.

Well, I'd better be off. Good day to you.

好啦，我得走了，再见。

It's not like you to be off your food.

胃口不好，这可不像你了。

What time will you be off duty this afternoon?

今天下午你几点下班?

The day after tomorrow is Sunday , but I'll be off duty.

后天是星期天, 正好我休息.

Just a quick stop in utah and then we are ( be ) off to mexico.

我们在犹他州暂时停留然后我们赶去墨西哥.

In a few days he would be off to sea.

只要能做到这一点她就可以万事大吉.

I'll be off to bed myself in a minute.

我再过一会也要上床睡觉了.

Tom, make yourself scarce and be off to bed.

汤姆, 你去吧,去睡觉吧.

to be on point duty

在指挥交通

to be on night duty

值夜班

By sunrise tomorrow we'll be on our way.

明天天亮前我们就将赶路。

I'm meant to be on holiday.

我原本打算去度假的。