set forth, put forward这两个短语分别是什么意思

set forth, put forward这两个短语分别是什么意思 cut let put read hit cost hurt set分别是什么意思? forward和forth区别 put on put off put up put down这些短语分别是什么意思!例如：turn on 打开 set forth 英文意思? He put forth a great effort to concentrate. 这句话中的put forth 的 step forward和go forward这两个短语有什么区别吗?可以互换吗? put forth some put forward 几个英文短语造句put away,put down,refer to,see off,set free,set off, look forward to 和be looking forward to有很多说法,这两个短语到底怎么用呢?好别扭! 分别用put up put down put away put in 这几个短语各造一个英语句子