to say exactly what you think without trying to hide your opinion. To speak directly.
Call a spade a spade
to become confused about what somebody has said to you so that you think they meant something else. Misunderstand.
To get your wires crossed
to say or do something unkind deliberately; to make somebody who is unhappy feel even more unhappy.
To turn/twist the knife (in the wound):
something that makes the end or failure of an organization, somebody's plans, etc. more likely to happen
the final nail in the coffin
(informal) to get very angry.
To blow a fuse
unconditional. Doing something for someone without asking for anything in return
With (no) strings attached:
(informal) (of a plan, company, situation, etc.) to fail.
Go down the tube/tubes
the point at which a system, a person or an organization is most likely to fail. An unreliable part of something, usually used of people.
The weak/weakest link (in the chain)
a small tool with two long thin parts joined together at one end, used for picking up very small things or for pulling out hairs.
tweezers
an action that is used to put pressure on somebody to do something they do not want to do.
lever