がるto show signs of being, to feel, to think, to behave as if one were, to pretend, to act as if, to want, to desire, to be anxious to, to be eager to

娘(むすめ)は家事(かじ)を手伝(てつだ)うのを嫌(いや)がります。

My daughter shows signs of disliking helping with household chores. {to show signs of being, to feel, to think, to behave as if one were, to pretend, to act as if, to want, to desire, to be anxious to, to be eager to}

試合(しあい)で勝(か)った選手(せんしゅ)たちが嬉(うれ)しがっています。

The players who won the match are showing signs of happiness. {to show signs of being, to feel, to think, to behave as if one were, to pretend, to act as if, to want, to desire, to be anxious to, to be eager to}

親(おや)として、娘(むすめ)や息子(むすこ)が悲(かな)しがる様子(ようす)を見(み)るのは辛(つら)いです。

As a parent, it's painful to see signs of my daughter or son feeling sad. {to show signs of being, to feel, to think, to behave as if one were, to pretend, to act as if, to want, to desire, to be anxious to, to be eager to}

痛(いた)みに強(つよ)いと言(い)ってしまったので、注射(ちゅうしゃ)を痛(いた)がるに痛(いた)がれません。

Because I ended up saying that I have a high tolerance for pain, I cannot show signs of feeling the pain from the injection. {to show signs of being, to feel, to think, to behave as if one were, to pretend, to act as if, to want, to desire, to be anxious to, to be eager to}

受験(じゅけん)に落(お)ちて悔(くや)しがるくらいなら、辛(つら)くても死(し)ぬほど勉強(べんきょう)をするほうがましだ。

Rather than feeling regret for failing an exam, it's better to study hard, even if it's tough and feels like it's killing you. {to show signs of being, to feel, to think, to behave as if one were, to pretend, to act as if, to want, to desire, to be anxious to, to be eager to}