减缓

减缓	jiǎn huǎn	to slow down / to retard
减	jiǎn	to lower / to decrease / to reduce / to subtract / to diminish
缓	huǎn	slow / unhurried / sluggish / gradual / not tense / relaxed / to postpone / to defer / to stall / to stave off / to revive / to recuperate