派上用場

A branch or faction of a group, school of thought, or river; a style or manner; to allocate or dispatch; a classifier for factions; a type of baked food (pie).

Indicates direction or position, opposite of down; the surface or top of something; to go up; to attend class; previous; superior; to send up.

to use; to employ; to apply; to operate; to need; to have to; usefulness; utility; expense; outlay; (literary) hence; therefore

An open space or field; a venue for events or activities; a stage or scene; a classifier for events, spells, or bouts.