Knock into a cocked hat

knock [nɑk]

n. 短促的敲打（声）;爆震声;敲击声;敲门（或窗等）声; vi. 猛烈敲击;与某物相撞;撞到了桌子; vt. （心）怦怦跳;把…撞击成（某种状态）;批评;

into [ˈɪntu]

prep. （表示方向）进入…中;（表示所属）输入;（表示状态）进入…状态;（表示时间）持续到;

cocked [[kɔkt]]

a. 翘起的, 处于准备击发状态的, 竖起的

hat [hæt]

n. 帽子;（帽子所表示的）职位，职务; vt. 给…戴上帽子，为…提供帽子; vi. 供应帽子;制造帽子;

You'll see a stop sign.

会看到有个停车再开标 。

I would like to call a plumber to come this afternoon.

我要叫一个水管工人今天下午来。

when they would be capable of providing information about traffic jams and suggesting alternative routes, when they would be used in hospitals to help doctors to diagnose illnesses, when they would relieve office workers and accountants of dull, repetitiv

计算机可以使办公室人员和会计免除那些枯燥、重复的劳动。