プログレッシブ和英中辞典(第4版)の解説
うでくらべ【腕比べ・腕▲競べ】
a contest (of skill)
たこあげの腕比べで勝つ[負ける]
win [lose] in a contest of kite flying
彼と碁の腕比べをした
I tried my skill against him at go.
両社は技術開発で腕比べをしている
The two companies are competing with each other in their technical development.