to complain of pain; to show signs of physical distress
昨晩、子供が耳を痛がった。
Last night the child complained of pain in his ear.
あの患者は今朝からずっと胸を痛がっている。
That patient has been complaining of chest pain all morning.
赤ちゃんは新しい歯が生えるとき、よくひどく痛がる。
Babies often complain of considerable pain when a new tooth is coming in.