expression, noun

Idiomatic expression.
  1. the most one can do, the best one can do, the best one can expect.

Variations

Pronunciation Kanji Kana Is Common
 
関の山 せきのやま

Contained Kanji Breakdown

connection, barrier, gateway
カン かか.わる せき (4th, N3)
gate, counter for cannons
モン かど と (2nd, N2)
frontier pass, close, relation
to divide
heavens, sky, imperial
テン あま- あも (1st, N5)
one, one radical (no.1)
イチ いっ ひと- (1st, N5)
large, big
ダイ おお- た (1st, N5)
person
ひと ニン ジン (1st, N5)
mountain
やま サン セン (1st, N5)