lay down

US /leɪ daʊn/
UK /leɪ daʊn/
"lay down" picture
1.

放下, 放置

to put something down on a surface, especially gently or carefully

:
Please lay down your tools before you leave.
请在离开前放下你的工具。
She carefully laid down the baby in the crib.
她小心翼翼地把婴儿在婴儿床里。
2.

制定, 规定

to establish a rule, principle, or plan

:
The committee will lay down new guidelines for safety.
委员会将制定新的安全指南。
He had to lay down the law to his unruly children.
他不得不对不守规矩的孩子们立下规矩。