expression, godan verb (-ru)
admire greatly; take one's hat off to
Idiomatic expression used when one is deeply impressed by someone's effort, skill, or character, often implying a feeling of humility or respect.
彼の献身的な仕事ぶりには本当に頭が下がる。
I really take my hat off to his dedicated work.
ボランティアの方々の活動には頭が下がる思いです。
I feel great admiration for the activities of the volunteers.