turn it down

turn it down turn down it和turn it down的区别是什么? turn it down 什么意思? turn it down a litter turn it off 与turn it down,的区别 Could you turn it up/down? 为什么是turn it down 不是turn down it,但是又是turn off the TV不是turn th turn down turn up turn it down turn it offdeng可以把it放在后面吗?为什么? It is unwise of you turn down this proposal. How do you turn down it?里面有错,怎么改? The radio is too l_____Could you turn it down?