极端

He does things in extremes.

Love and hate are extremes of passion.

go from one extreme to the other

take sth to extremes; go the limit; go to extremes

carry sth to the full/furthest extreme; carry sth into extremes

push sth to a dangerous/perilous extreme

avoid the extremes

be forced/driven to extremes

He is absolutely responsible for his work. / He has a boundless sense of responsibility in his work.

be in dire/extreme poverty

be extremely urgent/difficult

corrupt to the core; be rotten to the core

show extreme hatred (for)