動詞 leave off:

1. come to an end, stop or cease
2. prevent from being included or considered or accepted
   同義詞：exclude, except, leave out, omit, take out
3. stop using

1. If you would leave off smoking, your bronchitis would much improve.
   如果你戒煙的話，你的支氣管炎就會好得多。
2. Leave off! You'll break it if you're not careful!
   停止！你不小心的話會把它破的！