心血來潮

The physical heart; the mind or intellect; feelings or emotions; the center or core of something; intention or will.

Blood; the fluid circulating in the body; also used to mean tears; to stain with blood; related by blood; passionate or intense.

To come; to arrive; to return; to happen; to be used as a substitute for a verb; indicating possibility; indicating the future or next time; approximately.

Tide; damp or humid; a surge or trend; fashionable or trendy; substandard or inferior.