head off

To block the progress or completion of; intercept

攔截：阻擋…的進程或完成；攔截

Try to head him off before he gets home.

在他回到家之前截住他

be banging (或 knocking) one's head against a brick

be doggedly attempting the impossible and suffering in the process

硬做不可能成功的事；勞而無功

bang (或 knock) people's heads together

reprimand people severely, especially in an attempt to stop them arguing

（尤指阻止爭吵時）嚴厲斥責爭吵者

be hanging over someone's head

(of something unpleasant) threaten to affect someone at any moment

（不愉快之事）隨時威脅

be on someone's own head

be someone's sole responsibility

（應）由某人負全責

bite (或 snap) someone's head off

reply sharply and brusquely to someone

搶白

by the head

(Nautical)(of a boat or ship) deeper in the water forward than astern

(航海)（船）船首比船尾吃水深

the &I{Boy Andrew} went down by the head.

“安德魯男孩號"船頭朝下沉沒。

come to a head

reach a crisis

發展到危急關頭

the violence came to a head with the deaths of six youths.

隨著六名年輕人的死亡，暴力行為發展到了危急關頭。

do someone's head in

(Brit. informal)cause someone to feel annoyed, confused, or frustrated

(英，非正式)使生氣，使糊涂，使氣惱

enter someone's head

[usu. with negative]occur to someone

被某人想到（或想起）

such an idea never entered my head.

我從沒想到過這個主意。

from head to toe (或 foot)

all over one's body

從頭到腳，全身

I was shaking from head to toe.

我渾身發抖。

get one's head down Brit. informal 英，非正式

sleep

睡覺

concentrate on the task in hand

聚精會神地做手頭的工作

get one's head round (或 around)

[usu. with negative](informal)understand or come to terms with something

(非正式)搞明白；想通（不快或不幸之事）

I just can't get my head around this idea.

這種觀點我就是想不通。

give someone his(或 her) head

allow someone complete freedom of action

讓…放手干