huangzq

1.  你应该知道饭后不能立即去游泳。
2. 你年纪足够大了，应该知道不该把钱全花在买衣服上。
3. 我知道不能借钱给他去赌博。

1.You know better than to go swiming after eating.
2.you are old enough,and know better than to cost all money with shopping.
3.I know better than to lend money him to gamble.