Dictionary entry
all important
adjective
非常重要的
extremely important
In use
This test is all important for your final grade.
The first impression is all important in a job interview.
Wearing a seatbelt is all important when driving.
be all important
作表语，强调重要性。
This meeting is all important for our future.
这次会议对我们的未来非常重要。
all important + noun
作定语，修饰名词。
She missed the all important deadline.
她错过了那个非常重要的截止日期。
it is all important (for sb) to do sth
用于强调做某事的必要性。
It is all important to arrive on time.
准时到达至关重要。
Common mistakes
This all important.This is all important.
形容词短语作表语时不能缺少系动词，英语中系动词be不能省略，而汉语中系动词常可省略，容易产生此类错误。
It is important all.It is all important.
'all important'是固定短语，'all'作为程度副词必须放在'important'之前，不能后置。
an all important decisionan all-important decision
当'all important'用作定语修饰名词时，通常需要加连字符构成复合形容词'all-important'，否则会引起歧义或语法错误。
Connections
Dictionary facts from ECDICT.