means是什么意思,奥利给是什么意思

it means "keep off the grass".
unit what it means? 它的意思是什么? then and now 过去和现在
what means where means when means how means 什么 哪里,在哪里
by all means 是什么意思?
the red light means "stop" mean to do 打算做 你不是存心无忧文档