18.强盗
thief: The most general one.
(强盗) robber: It suggests a direct confrontation in which the owner is forced to give up his valuables.
(行凶强劫) mugger: A person who attacks and robs people in a street or in a lift.
burglar: A person who breaks into a house at night to steal something.
(歹徒 暴徒) gangster: A member of a group of criminals, esp. those who are
armed and use guns to threaten.
(匪徒) bandit: an armed robber.
It suggests an organized group in a rural setting.
(土匪) brigand: A robber who lives by robbing travelers in the country.
(海盗) pirate: A person who robs on the sea.

19.摇动,颤动
shake: The most general one. to move up and down or back and forth.
It refers to persons or things.
(发抖) quiver: To tremble a little.
It suggests a rapid but invisible vibration.
His lips quivered with emotion.
(颤抖) tremble: To shake uncontrollably and slightly as from fear, cold, excitement etc.
It implies uneasiness and nervousness.
Her voice trembled as she began to sing.
(瞬间发抖) shiver: To tremble from fear or cold.
It suggests a slight and rapid movement.
He stood shivering in the snow.
(极度颤动) quake: to shake or tremble violently.
It suggests a more violent and sudden change.
He quaked with excitement.
An explosion cam make the ground quake.
(抽筋般颤动) shudder: To shake uncontrollably for a movement.
It suggests a more intense shaking.
She shuddered at the sight of a snake.

20.说话 谈话
(说话)
speak: To use your voice to say words.
(说) say: To speak words.
(发出声音) utter: To make sound and say words.
drawl: To speak in a slow, prolonged manner.
mutter: To express displeasure with compressed lips.
rave: To talk in an angry, uncontrolled way.
gabble: To talk rapidly, making inarticulate sounds.
(谈论) remark: To mention it or comment on it.
(陈述) state: To say, express or put into words, esp. formally.
He stated his view.
(讲述) narrate: To tell formally in writing or speech or describe
something in order with intonation.
He narrated his adventure in the forest.
(详述) relate: To tell formally in details, to give an account of.
He related his experiences.
(讲演) address: To say in speech or writing to a person or group.
tell: To let people know about something.
talk: To say things to someone.
converse: To talk formally.
The scholars are conversing with each other on
linguistics.
chat: To talk in a friendly, familiar, informal manner.
The two friends sat in a corner and chatted.
chatter: To talk continuously rapidly about small things.
The schoolgirls went along chattering.
whisper: To talk in a low voice.
She whispered me not to talk so loudly.
murmur: To make a soft sound, esp. to speak or say in a quiet voice.
He often murmurs to himself.
(闲谈) gossip: To talk about the details of other people"s actions
and private lives which may not correct or proper.
That woman is very fond of gossiping about others.
stammer: To speak with pauses and repeated sounds because of excitement, embarrassment.
stutter: To speak with pauses and repeated sounds because of
inherent speech defect.

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.