꽉막힌in English:stuffy

Examples
with 꽉막힌.

• 이 방은 꽉막힌 느낌이 들어서 창문을 열어야 해요.i bang-eun kkwakmakhin neukkim-i deureoseo changmun-eul yeol-eoya haeyo.This room feels stuffy, so we need to open the window.