あいづちをうつ

相槌を打つ

表記・読み：相づちを打つ・あいづちを打つ・あいづちをうつ

1. 1

   to make use of aizuchi; to back-channel; to throw in interjections to show that one is paying attention

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