the least someone can do
also the least someone could dosomething someone should do:
"Do I have to go and say 'hi' to him?" "Yes – he's been very nice to you, so it's the least you can do."
英语词典包含110679条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。