21.事情，事件
（事）thing：An event，a fact，a subject.
He talked of many interesting things.
（事情）matter：Seth that you have to deal with，something to be discussed，thought over.
There are several matters to be dealt with at the meeting.
（事务 责任）business：A special duty，something that has to be done.
Public business is every one's business.
（事务）affair：An event or set of connected events. （pl）private and personal life.
I have many affairs to look after.
（事件）event：An important happening. Events such as birthdays and anniversaries are often celebrated.
Do you know the chief events of 1986.
incident：Not as important as an event. Incidents seldom are celebrated. Sometimes an event becomes an incident after many years have passed.
（偶然事件）happening：An occurrence，and sometimes an unusual one.
There have been strange happenings here lately.
（偶发事件）occurrence：An incident that is usually unexpected and has not been planned ahead of time.
Flood is practically an annual occurrence in this district.
22.承认
admit：To agree to the truth of，usu，something bad.
It suggests reluctance or possible objection.
He admitted his crime/stealing.
（自白 供认）confess：To admit guilt as to a crime or as to a shortcoming，in the sense of making known to others one's own error or wrong doing.
He confessed his fault/doing something wrong.
acknowledge：to agree the truth of，recognize the fact or existence of what have said or done，good or bad.
It emphasizes openly in a embarrassing or awkward and usually not voluntary way.
I acknowledged my signature/mistakes/errors/having been defeated.
grant：To admit or to agree something is true.
I granted his request/his honesty.
take sth/sb for granted.
concede：To admit as true，just or proper often unwillingly because of overwhelming evidence.
I conceded you that point，but I still think you are wrong.
recognize：To accept or acknowledge it.
It refers to something about law and diplomacy.
The new regime was recognized by China.