熱ねつが入はいる

expression, godan verb (-ru), intransitive verb

get into; become passionate about; get fired up

Describes becoming emotionally invested or enthusiastic about an activity, topic, or pursuit. Often used when someone starts putting real energy into something.

• 最さい近きん、彼かれは料りょう理りに熱ねつが入はいっている。

  Lately, he's been really getting into cooking.

• 試し合あいが近ちかづくにつれて、選せん手しゅたちの練れん習しゅうに熱ねつが入はいってきた。

  As the match approaches, the players have become more fired up in their practice.