I'll back you up all the way. 我完全支持你.
原意:I will support you from beginning to end.
Why don't you get off my back? 不要来打扰我,好不好?
原意:Don't disturb me.
That's enough of your back talk. 不许你回嘴.
原意:I don't like the way you argue with me.
Oh, my aching back. 啊呀,天啊,真糟!
原意:Oh,God!