Not suitable for one in one's current rank in an organization; suitable for someone more senior, implying that one is not competent enough or not paid well enough to deal with the problem.

To sunbathe.

Alternative form of shut the door on

(literally) To make the bed in which one has slept. / (idiomatic) Alternative form of make one's bed and lie in it

Alternative form of shut the door on

Eggcorn of rack one's brains.

(idiomatic, transitive) To refuse to consider, remember, accept, or engage in.

Alternative form of rack one's brain

Eggcorn of rack one's brain.

(informal) Extremely bored.