be up to有忙于的意思么.如what I ’ve been up to

be up to有忙于的意思么.如what I ’ve been up to be up to sth 忙于意思时 be up to do be up to doing be up to sb to do sth it is up to you 他们之间有何区别?哪be up to doing be up to do 有忙于做某事的意思么 off to the races 有没有忙于某事的意思? engage take up?After her illness,the old woman was advised to ______gardening as a hobby.答案是take up 请问engage为什么不可以,它不是也有忙于..的意思么 be occupied with和be engaged with的区别和用法?两个都有忙于做的意思，求区别 be up to date的意思? to be made up of 的意思 work on和be busy doing sth.的区别work on 是从事；忙于什么的意思,be busy doing sth.乜是 忙于某事嘚意思.有什么区别哪? be busy with与be busy in二者的意思都是忙于（做）什么事情,那么它们在具体用法及意思上有什么区别? grow up还是be grown up“长大”的意思I want to ______(A) grow up(B) be grown up It may be good to give up 的中文意思 if it is up to be ,it is up to me的意思 it's up to your中文意思如题.up to your的中文意思 be suppose to的意思?如题 be fed up with sth ,be fed up doing sth?意思有区别么? 有be made up to这样的短语吗 meet up 比如说A想见B,B说would be nice to meet up,那么B 有见A的意思吗?