since you been gone meaning in Chinese

不告而别
你离开以后
自从你离去
自从你走了之后

We have missed you badly since you were gone .
自你走后我们非常想念你。
Since you are going , i ' ll accompany you
既然你要去，我就陪你去。
" all right , i ll do it since you are going to slay me whether i do it or not !
反正我做与不做你们都要杀害我的！
Since you are going to go to the post office , would you mail this letter
（既然你要去邮局，可以帮我寄这封信吗？）