你好
对某事有把握
be certain of sth
抽烟和喝酒对你不好
Smoking and drinking do badly in your health.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
祝你学习进步，更上一层楼！
不明白请及时追问，满意敬请采纳，O(∩_∩)O谢谢~~
你好
对某事有把握
be certain of sth
抽烟和喝酒对你不好
Smoking and drinking do badly in your health.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
祝你学习进步，更上一层楼！
不明白请及时追问，满意敬请采纳，O(∩_∩)O谢谢~~
