18.

to suddenly become too frightened to do something you had planned to do, especially something important such as getting married

get cold feet

to like someone and become friendly immediately

hit it off (with sb)

a dishonest plan for making money or getting an advantage, especially one that involves tricking people

scam

to (cause someone to) die because of not having enough oxygen

suffocate

having a pleasant and polite way of speaking that is considered socially acceptable

well spoken

to go to a place or event, usually without much planning

go along (to)

to vomit

barf

about to be said if you can remember it

on the tip of your tongue

used for wishing someone good luck, especially before a performance

break a leg

said in order to show that people cannot be hurt by unpleasant things that are said to them

sticks and stones may break my bones, (but words can never hurt me)

a rude phrase meaning to be very serious and easily offended, and always want rules to be obeyed

have a stick up your arse

If you say something ..., you intend it to be understood as a joke, although you might appear to be serious

tongue in cheek

something you say when the person you were talking about appears unexpectedly

speak/talk of the devil

to make a slight difficulty seem like a serious problem

make a mountain out of a molehill

a small pile of earth pushed up to the surface of the ground by the digging of a mole (= a mammal that lives underground)

molehill

very quickly and without any delay

at/on the double

to save money for a time when it might be needed unexpectedly

save/keep money for a rainy day

out of control

out of hand

to go to bed in order to sleep

hit the sack

the latest problem in a series of problems, that makes a situation impossible to accept

the last straw

If someone is or feels ..., they feel ill

under the weather

If two people ..., they agree with each other

see eye to eye

to be extremely expensive

cost an arm and a leg

to start to include more different types or things

diversify

used to tell someone that you cannot accept an invitation now, but would like to do so at a later time

take a rain check (on sth)

to tell people secret information

spill the beans

a strong but temporary feeling of liking someone

have a crush on sb

to sleep at someone else's house for the night, especially when you have not planned it

crash

definitely

hands down

a year that happens every four years and has an extra day on 29 February

leap year

a difference between two things

gap (between)

an important difference between the ideas, opinions, or situations of two groups of people

gulf (between)

a very large, deep hole in the ground

gulf

to imagine or expect that something will happen

anticipate

something that has to be done but has no real importance

formality

used to refer to a situation in which decisions are made by a few people in authority rather than by the people who are affected by the decisions

top-down

the way that people with authority in an organization, especially in the military, are ranked, from the person with the most authority to the next one below, and so on

chain of command

to come for a visit, esp. without having received an invitation for a specific time

drop in

to give up something that is valuable to you in order to help another person

sacrifice (for)

having a pleasant appearance and character

personable

agreement that something is true or legal

recognition

If you are given ..., people show admiration and respect for your achievements

recognition

the fact of knowing someone or something because you have seen or heard him or her or experienced it before

recognition

doubting that something is true or useful

skeptical

a period of time when you do not work because of illness or holidays, or because your employer has given you permission to do something else

time off

the group of people who work in a company, industry, country, etc.

workforce

involving two or more people working together for a special purpose

collaborative

not thinking or worrying about any pain caused to others; cruel

ruthless

to gradually increase, rise, or get bigger

mount

a title used before the family name or full name of a married woman who has no other title

Mrs

a title used before the family name or full name of a man who has no other title, or when talking to man who holds a particular official position

Mr

worry about the future, or a fear that something unpleasant is going to happen

apprehension

to think carefully about something, especially for a noticeable length of time

ponder

If you ..., you start to sleep, especially during the day

doze off

not at all

by no means