【高频生活口语】：

1. Don't be silly. 别犯傻啦/别说傻话。

2. Don't bury your head in the sand.不要逃避现实。

3. I don't want to be a third wheel. 我可不想当“电灯泡”。

4. It is okay to make jokes, but you're carrying it a bit too far. 开玩笑没问题，但是你玩笑开得有点过火了。