ものをいう

物を言う

表記・読み：ものを言う・ものをいう

1. 1

   to speak (of something)

   expressions (phrases, clauses, etc.)五段動詞（う）
2. 2

   to be effective; to be powerful; to be helpful; to be important; to matter; to mean everything

   expressions (phrases, clauses, etc.)五段動詞（う）