1. lay out

lay out本意表示“摆放”：

Grace laid out the knives and forks on the table.

格雷丝把刀叉摆放在桌子上。

把物件摆放好就引申成了“清晰地表达”：

The code of practice lays out very clearly what the duties of the registrar are.

行为规范清楚写明了注册员的责任。

2. lazybone

lazybonnes就是我们常说的“懒骨头”。

除了lazy“懒”还可以说：

①idle

He's a very able student, he's just bone idle (= very lazy).

他是个能力很强的学生，只是太懒了。

②indolent

Those who revel in the Internet tend to lead an indolent life.

沉迷于网络的人往往过着懒散的生活。

③slothful

He was not slothful: he had been busy all night.

他可没偷懒：他忙了整整一夜。

④sluggish

A heavy lunch makes me sluggish in the afternoon.

丰盛的午餐使我一下午都懒得动弹。

⑤slack off

Do not slack off in your studies.

学习上不可懈怠。

（来源：沪江英语）