very steep; having a prominent and almost vertical front; "a bluff headland"; "where the bold chalk cliffs of England rise"; "a sheer descent of rock" 日/英 »
deceive an opponent by a bold bet on an inferior hand with the result that the opponent withdraws a winning hand 悪い手に大胆に賭けた結果、相手が勝ち手を引っこめることによって相手をだます。
日/英 »