長ちょう考こう

noun, noun or participle which takes 'suru', intransitive verb

long thought; lengthy consideration; pondering for a long time

Often used in contexts like games (shogi, go), business, or personal decisions where someone takes a long time to think before acting. The する form is intransitive.

See also: 小考

• 彼かれは次つぎの一いっ手てを長ちょう考こうした。

  He thought for a long time about his next move.

• 重じゅう要ような決けつ断だんの前まえに長ちょう考こうする必ひつ要ようがある。

  You need to ponder at length before making an important decision.