Expressions (phrases, clauses, etc.), I-adjective (keiyoushi)
not losing out (to); holding one's own (against); comparing favorably (with); being a fair match (for)
Idiomatic expression
数学にかけては彼はクラスの誰にも引けを取らない。When it comes to mathematics, he is second to none in his class.
Also written 引けをとらない【ひけをとらない】、ひけを取らない【ひけをとらない】