一頭地

いっとうち【一頭地】

●一頭地を抜く cut a conspicuous figure 《among…》; hold undisputed leadership 《in [among]…》; tower [rise] above one's contemporaries; be preeminent 《in one's field》; stand unrivaled 《among…》; be a giant 《among…》

・学者として一頭地を抜く stand a giant among one's fellow scholars

・彼は数学ではクラス中で一頭地を抜いている. He is far ahead of his class in mathematics.