1
Attack someone with a knife
Stab
Someone who may have committed a crime
A suspect
Be a symbol or example of something
Represent
To reduce tension and start a conversation
Break the ice
Costs an arm and a leg
To admit
To confess
Question someone thoroughly, especially in a formal setting
Interrogate
Say strongly and firmly (often when offering something repeatedly)
Insist
It's your decision now
The ball is in your court
To do two things at the same time
Kill two birds with one stone
Suddenly fall down, usually from weakness or stress
Collapse/Faint
A small detail that helps solve a mystery
A clue
Tell someone about a danger or problem ahead
Warn
To reveal a surprise or secret
Let the cat out of the bag/Spill the beans
I absolutely don't know it at all.
I don't have the foggiest idea/the faintest idea/a clue.
Say you will hurt someone if they don’t do what you want
Threaten
Take something apart into pieces
Disassemble
The feeling of being very embarrassed and ashamed
Humiliation
I don't think I've heard this name before; it sounds unfamiliar.
It doesn't ring any bells with me.
You got it exactly right
Hit the nail on the head
Be said to have done something wrong or illegal
To be accused
Do something wrong without being punished
Get away with
Get involved in a situation to change what is happening
Intervene
Used to know about it, but don't know the latest developments
Out of touch
I came to the wrong conclusion.
I got the wrong end of the stick.