ubiquitous 无处不在的
If you describe something or someone as ubiquitous, you mean that they seem to be everywhere

unctuous（unguent：油腻的

1. If you describe someone as unctuous, you are critical of them because they seem to be full of praise, kindness, or interest, but are obviously insincere.
2. If you describe food or drink as unctuous, you mean that it is creamy or oily

greasy：腻
Something that is greasy has grease on it or in it

lubricant：润滑油）

1. A lubricant is a substance which you put on the surfaces or parts of something, especially something mechanical, to make the parts move smoothy
2. If you refer to something as lubricant in a particular situation, you mean that it helps to make things happen without any problems.

underdog（underline：强调
The underdog is a competition or situation is the person who seems least likely to succeed to win

understate：低估
If you understate something, you describe it in a way that suggests that it is less important or serious than it really is

underscore：下划线

1. If something such as an action or an event underscores another, it draws attention to the other thing and emphasizes its importance
2. If you underscore something sucha as a word or a sentence, you draw a line underneath it in order to make people notice it or give it extra importance

underrate：低估
If you underrate someone or something, you do not recognize how intelligent, important, or significant they are

underhanded：卑劣的）

1. If an action is underhand or if it is done in an underhand way, it is done secretly and dishonestly
2. You use underhand or underhaned to describe actions, such as throwing a ball, in which you do not raise your arm above your shoulder

upbraid（reprove：数落
If you upbraid someone, you tell them they have done something wrong and criticize them for doing it

reproach：责备

1. If you reproach someone, you say or show that you are disappointed, upset, or angry because they have done something wrong
2. If you look as or speak to someone with reproach, you show or say that you are disappointed, upset, or angry because they have done something wrong
3. If you reproach yourself, you think with regret about something you have done wrong

reprehend：申斥
to find fault with; criticize

reprimand：谴责
If someone is reprimanded, they are spoken to angrily or seriously for doing something wrong, usually by a person in authority

rebuke：训斥道
If you rebuke someone, you speak severely to them because they have said or done something that you do not approve of

inveigh:猛烈抨击
If you inveigh against something, you criticize it strongly

invective:谩骂的
Invective is rude and unpleasant things that people shout at other people they hate or are angry with

fulminate:爆发性）
If you fulmintate against someone or something, you criticize them angrily

usurp 篡位
If you say that someone usurps a job, role, title, or position, they take it from someone when they have no right to do this

abdicate 退位

1. If a king or queen abdicates, he or she gives up being king or queen
2. If you say that someone has abdicated responsibility for something, you disapprove of them because they have refused to accept responsibility for it any longer

usury：高利贷)
Usury is the practice of lending money at a high rate of interest

utter（utterly：彻底

1. If someone utters sounds or words, they say them
2. You use utter to emphasize that something is great in extent, degree, or amount

utterance：话语

1. Someone’s utterances are the things that they say
2. The bitter end (esp in the phrase to the utterance)
   unutterable：难言的
   You can use unutterable to emphasize that something, especially a bad quality, is great in degree or intensity

ineffable：不言而喻的）
You use ineffable to say that something is so great or extreme that it cannot be described in words