What I'm trying to say is:if you don't take some time to slow down once in a while and enjoy life,it will pass you by.翻译这个句子,解释下这个句子中的once表示什么意思?

I'm trying to tell you what's on my mind I'm trying to That's exactly what I was trying to say 是什么从句?what做什么成分! Jason Mraz的《Prettiest Friend》的中文歌词This is what I look like today And I'm trying not to pull out my hair I'm trying not to show it 'cause I'm far too shy to grow it back there That's probably why I like wearing hats There's no denying 根据上下文和所给首字母,补全空格内的词,使对话通顺A:A:What are you doing?B:I’m trying to f 91 my pen.A:What’s wrong with it?B:I’m trying to get it to write more quickly.A:Well,that’s easy!Just write faster!B:I’ve tried （well）what I'm trying to say is(that)+sentence 翻译 I'm just trying to be 中文翻译 I'm not trying to avoid you No,I am trying to save (m ) 英语翻译You keep trying to get inside my headWhile I keep trying to lose the words you saidCan't you see I'm hanging by a thread?To my life,what I know,yeah I'm losing control andOh,no,my walls are gonna breakSo close,it's more than I can takeI'm 【计算机英语】If they fit into the big picture,that's fine,but what I'm trying toIf they fit into the big picture,that's fine,but what I'm trying to say is it's not important that they are declared. That S The Way (I M Only Trying To Help You) 歌词 That's The Way (I'm Only Trying To Help You) (Live) 歌词 That'S The Way (I'M Only Trying To Help You) (Live) 歌词 英语翻译place in this world 歌手：taylor swift 专辑：taylor swift I don't know what I wantSo don't ask me cause I'm still trying to figure it outDon't know what's down this roadI'm just walking trying to see through the rain coming downEven what i am trying to say is,i love you I'm afraid you misunder me because what I__to do was to confort youA have tried .B am trying.c.was trying.请问选择哪个答案, I'm trying to hear what the man is saying.这句子的whI'm trying to hear what the man is saying.这句子的what是什么意思?什么词性?