I know that it is very difficult to stop smoking.

我知道戒烟非常困难。

I'm writing this email because I want to ask you to stop smoking.

我写这封邮件是因为我想请你戒烟。

He decided to stop smoking.

他决定停止抽烟。

You need to stop smoking for your health.

你需要为了健康停止吸烟。

The doctor advised him to stop smoking immediately.

医生建议他立即停止吸烟。

I had to stop smoking because of a serious illness.

因为重病，我不得不戒烟。

When our lungs have gone bad, we realize that we need to stop smoking.

当我们的肺变差时，我们意识到我们需要戒烟了。

I'm trying to stop smoking.

我正在努力戒烟。

The nicotine patches are designed to help people give up/stop smoking.

尼古丁贴片旨在帮助人们戒烟。

Step 5: Call stop smoking line

第五步：致电戒烟热线