rash

名词 rash:

1. any red eruption of the skin
   同义词：roseola, efflorescence, skin rash
2. a series of unexpected and unpleasant occurrences
   同义词：blizzard

形容词 rash:

1. imprudently incurring risk- George Meredith
2. marked by defiant disregard for danger or consequences
   同义词：foolhardy, heady, reckless

1. The heat brought him out in a rash.
   因气温很高，他浑身长了皮疹。
2. Scratching exacerbates a skin rash.
   皮疹搔後会恶化。
3. A rash has appeared on his body.
   他身上出现了丘疹。
4. His rash outburst incurred the displeasure of the judge.
   他勃然大怒使法官不悦。
5. While you have this rash you are still infectious.
   身上还有这种疹子，就仍然有传染性。
6. He made a rash decision now he's suffering for it.
   他做决定太仓促--现在可吃到苦头了。
7. Hot weather makes her come out in a rash.
   因天气炎热，她起了皮疹。
8. Don't do anything rash.
   不要鲁莽行事。

rash

adj.（形容词）
rash.er,rash.est
Characterized by or resulting from ill-considered haste or boldness.See Synonyms at reckless
鲁莽的：以轻率的快速和莽撞为特点的或由此而发生的参见 reckless
Archaic Quick in producing a strong or marked effect.
【古语】 快速的：一下子就产生强烈或明显效果的

来源：
Middle English rasche [active]
中古英语 rasche [活跃的]
perhaps from Old English -raesc in logrôsc [lightning]
可能源自 古英语 -raesc 在 logrôsc之中 [闪电]
or from Middle Dutch
或源自 中古荷兰语
or Middle Low German rasch
或 中古低地德语 rasch

【引伸】
rash.ly
adv.（副词）
rash.ness
n.（名词）

---------------另--------------
rash
rash 2

n.（名词）
A skin eruption.
疹：皮肤上的突起
An outbreak of many instances within a brief period:
爆发：短时间内一连串事件的爆发：
例句：
a rash of burglaries.
一连串的打家劫舍案

来源：
Possibly from obsolete French rache [a sore]
可能源自 已废法语 rache [疼痛]
from Old French rasche [scurf]
源自 古法语 rasche [皮屑，头垢]
from raschier [to scrape, scratch]
源自 raschier [擦，抓，搔]
from Vulgar Latin *r3sic3re
源自 俗拉丁语 *r3sic3re
from Latin r3sus [past participle of] r3dere * see rôd-
源自 拉丁语 r3sus [] r3dere的过去分词 *参见 rôd-