陰いんにこもる

expression, godan verb (-ru)

bottle up inside; be introverted

Describes a person who keeps their feelings or thoughts to themselves, often with a negative connotation of being withdrawn or uncommunicative.

• 彼かれはいつも陰いんにこもっていて、何なにを考かんがえているのかわからない。

  He always keeps to himself, so I never know what he's thinking.

expression, godan verb (-ru)

gloomy; melancholic atmosphere

Used for a person, object, or place that gives off a dark, somber, or depressing vibe. Can describe appearance or mood.

• この部屋へやは窓まどが小ちいさくて、なんだか陰いんにこもっている。

  This room has small windows and feels somewhat gloomy.