プログレッシブ和英中辞典(第4版)の解説
おかぶ【▲御株】
one's forte [f&openo_acute;ːrt, -tei]
料理は彼女のお株じゃない
Cooking is not her forte.
おじいさんがまたお株の自慢話をしている
Grandfather is again engaged in his favorite occupation ― boasting about himself.
お株を奪う
私もゴルフを習ってゴルフ好きの彼のお株を奪った
I learned to play golf, and beat [outdid] him at his own game.