頭を下げる

頭を下げる (あたまをさげる) means to bow one’s head in apology or request.

Kana
あたまをさげる
Meaning
to bow one’s head in apology or request
Japanese Example
迷惑をかけたので、素直に頭を下げた。
Translation
Since I had caused trouble, I bowed my head and apologized sincerely.