01. open book
open book n.一目了然的事物；易于了解的人；极坦率的人
open-book adj. 开卷的
open-book examination 开卷考试
open-book exam 开卷考试
open-book test 开卷测试
open-book amount 无公文手续的贷款
an open book 尽人皆知的事物
sale on open book account 赊账
open book account 往来中账户，同open account
open book credit 往来赊欠账户
Sha had fallen asleep with an open book in her lap 睡着了，腿上摊开着一本书
On a table with a green cover lay a number of open books. 一张铺着绿色台布的桌子上放着基本掀开的书。
02. high rise
high rise adj. 高层的(建筑)
high-rise n.高楼；大厦；高手把自行车
high-riser 单人双人两用床，高把手自行车
high-rise building 高层建筑物
high-rise block 高楼大厦
high-rise apartment 高层公寓
high-rise flat 高层公寓
03. hot dog
hot dog n.热狗，红肠面包
hot-dog v. 在冲浪滑雪滑板中卖弄特技
04. second hand
second hand n.秒针
second-hand adj. 用过的，二手的
second-hand store 旧货店，二手店
second-hand smoking 二手烟
second-hand equipment 二手设备
04. environmentally friendly
environmentally-friendly=environment friendly
chequebook=checkbook 支票簿
