n.名词
S皮疹；疹an area of red spots on a person's skin, caused by an illness or a reaction to sth
adj.形容词
太急速的;鲁莽的;轻率的too hasty; overbold ;done,doing things,without enough thought of the consequence
Noun:
any red eruption of the skina series of unexpected and unpleasant occurrences;a rash of bank robberies
a blizzard of lawsuits
Adjective:
imprudently incurring risk;do something rash that he will forever repent
marked by defiant disregard for danger or consequences;foolhardy enough to try to seize the gun from the hijacker
became the fiercest and most reckless of partisans
a reckless driver
a rash attempt to climb Mount Everest
用作名词 n.
名词+～heat rash热疹nettle rash荨麻疹用作形容词 adj.～+名词rash decision轻率的决定rash promise轻诺rash politician急躁的政客rash young man莽撞的小伙子
近义词 spots污点flush冲洗spate泛滥hasty匆匆的brash鲁莽的hives荨麻疹pimples丘疹roseola红疹sudden突然的eruption爆发reaction反应outbreak爆发foolish愚蠢的skin rash皮疹reckless鲁莽的careless粗心的epidemic流行病blizzard暴风雪impetuous冲动的impulsive冲动的imprudent轻率的foolhardy鲁莽的breaking-out喷火thoughtless没有考虑的heady强烈作用于感官的…efflorescence开花期反义词 calculating深谋远虑的
用作名词n.I woke up covered in a rash.我醒来时长了一身疹子。用作形容词adj.
用作定语
～+ n.This is what happens when you make rash decisions.这就是你贸然做决定的后果。
Her rash marriage proved unhappy.她轻率结婚，很不幸福。n. +～Think twice before doing anything rash.不要草率行事，要三思而行。
用作表语
S+be+～+ prep. -phraseDon't be rash in making your decision.别轻率做出决定。
名词74%,形容词26%
As soon as popular songs were accepted, fans appeared in a rash流行歌曲一被接受, 追星族就大量涌现。用作形容词His rash dismissal of the offer annoyed me.他对该提议轻率的拒绝激怒了我。