愁闷

feeling gloomy;be in low spirits(/depressed)

• theorise
• theorize
• theory
• the other day
• the other way round
• the Pacific Ocean
• there
• thereafter
• therefore
• the relationship between
• there're
• the same as
• the same with
• these
• the sooner, the better
• (The) time is up
• the time of day
• the way to
• they
• they'll
• they're
• they've
• thick
• thicken
• thickness