2. Be careful? Yes? Pickpocket? -Watch out for pickpockets.

3. Be conscious-pay attention.

4. Never-never.

5. Be careful! -Look out, look out!

6. behave yourself! -Behave yourself!

Extended data:

It's a related phrase

1, can-can

Be friendly to ... ...

Be polite to sb.

be friendly to sb.

Be rude to sb.

Close, close, close. ...

7. Harmful to ...

Similar-similar ...

Get used to [something]/doing [something] ...

subserve ...