I'll try to find out if the machine is in good condition.为什么可以用if?介词后要用whether表是否,为什么这句话中可以用if?

try to find a way out 中文翻译 i try to do everything in order to find u out. I can't find reason to abandon so love you,so i'll try to oblige you. I'll try to find out if the machine is in good condition.为什么可以用if?介词后要用whether表是否,为什么这句话中可以用if? I'll try to forget you! I'll try to forget you! 邀请晚餐时被回复 I'll fast on that day!.A:Great!See you then at 7 o’clock?B:Sure!I’ll be there!You are still an extraordinary cook right?A:That’s for me to know and for you to find out.Actually,I have a new dish that I want you to try.B I'll try,try to forget you,I don't like,but I wanna try find 和find out 有什么不同?Try to __ who has broken it .为什么要填find out 而不是find?find 和find out 有什么不同? 英语翻译Dead meat,Don't you know you're dead meat?You just messed with the wrong teamBetter not try and fall asleep now.You better run out of hereI'll close my eyes and count to tenand then I'll come find you.You're gonna get what you deserveGonn I 'll try to come back to long before to find 求求求翻依some valuble memory ,but I could not ,...I 'll try to come back to long before to find 求求求翻依some valuble memory ,but I could not ,I have lost求翻译 I'll try to fight for what I want! -another try,and you'll find a way to _ the problem.A.Make,work at B.Take,study at___another try,and you’ll find a way to _ the problem.A.Make,work at B.Take,study at C.Have,work out D.Get,solve out I try to live out the life lessons I try to live out the life lessons Now I want to try to find new 3Q i want to find it out The window is broken .Try to _______ who broken itA find out B find I`ll try to play more quietly 是什么意思呀?