1to lay down; to put down
2to let go of; to relinquish; to set aside
3to lower (the blinds etc)
Examples
nǐ你néng能fàng xià放下bào zhǐ报纸tīng听wǒ我shuō说ma吗？
你能放下报纸听我说吗？
Will you put down that paper and listen to me?
他放下东西，就走了。
He put his things down and left.
放下你的手！
Put your hands down!