開門見山

To open or unfasten; to start or begin; to operate a vehicle or machine; to turn on; to write out; to bloom; to boil; to launch; to discover.

Door; gate; entrance; opening; family; lineage; school of thought; sect; key point; method; classifier for courses or fields of study.

to see; to meet; to appear; to interview; to encounter; opinion; view; surname

Mountain; hill; peak; surname; a component of Chinese characters; (archaic) tomb.