think hard和think over的区别貌似有一个后面直接可以接宾语,有一个不行

think hard和think over的区别? think of,think hard,think about,think over的区别 think of,think over,think out,think hard的区别? think it hard to do 和 i think it's hard to do 有什么区别 (1/2)Who can _good solutions to these problems?A.think about B.think ove think about、think hard、think over的不同 混战think of ,think over ,think through ,think up ,think hard Think Think think think think think think think think think think