He is very smart it is very easy for him to work out the problemtoo+adj表示“太……”,强调超出希望的,或者预期的,比如too big太大了(不是期望的那样) adj+enough表示“足够……”,强调能够满足某种预期的标准或条件,如tall enough足够高(对于某些有身高要求的职业等) 形容词比较级强调“更……”的含义,是两者之间做一个比较,如this one is longer than that one.这个比那个更长。very+adj表示“很……,非常”,强调自己感觉好,而不是说达到了某种预期的标准或条件。you are very beautifyl。 I am very happy.You are very beautiful.He is very smart.