lay down
问题描述：
lay down
答
Lay down 放下
如:Lay down your arms,or we'll fire.
放下武器!否则我们就开枪了!
lay down 规定
如:You can't lay down hard and fast rules.
规则不能定得太严太死.
lay down 牺牲
如：He was willing to lay down his life for his country.
他愿意为祖国牺牲他的生命.
lay down 躺下
如：I lay down not so much to sleep as to think.
我躺下来与其说是要睡觉,倒不如说是要思考.