hou516

1.  你应该知道饭后不能立即去游泳。 you know better than to go swimming immediately
after eating
2. 你年纪足够大了，应该知道不该把钱全花在买衣服上。 you are old enough,you know better than to spend all you menoy on clothes
3. 我知道不能借钱给他去赌博 I know better than to lend he menoy to gamble