I've gained much weight recently. I have to go on a diet.

The doctor says I've got to go on a diet.

医生说我得节食.

The doctor ordered him to go on a diet to lose weight.

医生要他按规定进食来减肥.

I am a little overweight. I should go on a diet.

我有点过胖了, 得节食才行.

I think you should go on a diet.

我看尔应该节食.

You must go on a diet because you are too fat.

你必须限定饮食因为你太胖了.

Helen: I need to go on a diet.

海伦: 我需要节食减肥.

Many people, especially young women go on a diet to get slim.

许多人, 特别是年青女子,为变得苗条而节食.

Yes. You should go on a diet.

是的,您应当节食.

Why do not you go on a diet?

你为什么不节制饮食 呢 ?

I think you shall go on a diet.

我看尔应该节食.(或:我看你应该吃规定的饮食. )

Things got so bad recently that he decided to go on a diet.

近来情况变得如此糟糕,以致他决定节食了.

Take my advice and go on a diet.

听我的建议,赶紧节食.

Maggie: He advises her to go on a diet.

玛吉: 医生建议她节食.

You need't go on a diet, but you must eat sensily and mustn't overeat.

你不必节食, 但必须饮食有度,不能吃得过饱.

You should go on a diet.

你应该节食.

He made a resolve to go on a journey early in the next morning.

他决意明天一早就动身.

Still often the ground and netizens accompany go on a journey.

还不时地与网友们结伴出游.

David left his boring job to go on a journey of self-discovery .

戴维辞掉了他那份无聊的工作，走上自我发现的道路。

When you go on a journey, it's a good thing to be beforehand with your packing.

你出门旅行的时候最好预先把行李包扎好.

I wanted to go on a journey.

我想继续旅行.