年甲斐

としがい【年甲斐】

¶彼は～もなく激しく怒った

He got very angry in spite of his age.

¶彼は～もなく派手な服を着たがる

He wants to wear a showy suit for his age.

¶～もないふるまい

an act unbecoming to his age 《正式》年齢にふさわしくないふるまい.

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としがい【年甲斐】

the wisdom of one's years.

●年甲斐もない lack the discretion expected of one's age

・年甲斐もないことをする do not act one's age.

●何です, 年甲斐もなく. Act [Be] your age! | Someone your age ought to know better.

・年甲斐もなくロックコンサートで燃えてしまうとは. At my age, getting all excited at a rock concert!