翻译 pay back pay up pay off pay down

翻译 pay back pay up pay off pay down pay up pay compare to.pay off.pay back.pay up.stand for.pick up.join in. 翻译:they should pay something back. pay back 和pay back 区别 pay,pay for,pay back,pay off,pay back for的用法 pay sb.back sth. repay 和pay back pay sb.back sth. pay sb.back sth. pay sb.back sth. pay for 和pay back的区别? pay back 和 pay off的用法? pay pay pay pay pay