三更半夜

The number three; 3; third in order; often used to indicate multiple or repeated instances; a surname.

More; even more; further; still; to change or replace; to experience; a period of the night; a watch.

Half; semi-; incomplete; in the middle; a very small amount; part of something; and a half (after a number).

Night; the period from dusk till dawn; dark; by night; a surname.