oppressive
adjective uk/əˈpres.ɪv/ us/əˈpres.ɪv/
(CRUEL)
压迫的;压制的;暴虐的
cruel and unfair
an oppressive government/military regime 暴虐的政府／军事政权
(FEELINGS)
令人焦躁的；令人压抑的；令人烦恼的
causing people to feel worried and uncomfortable
an oppressive silence 令人难耐的静寂
（天气）闷热的，令人窒息的
If the weather or heat is oppressive, it is too hot and there is no wind.
We were unable to sleep because of the oppressive heat. 天气闷热得令人窒息，我们难以入睡。