音标：[ræʃ]
a. 轻率的, 匆忙的, 鲁莽的
n. 皮疹
【医】 疹
在线英汉词典

rash的短语、例句：

rash n 1 [C usu sing 通常作单数] patch of tiny red spots on the skin 疹; 皮疹: a `nettle-rash 荨麻疹
I break out/come out in a rash (ie A rash appears on my skin) if I eat chocolate. 我一吃巧克力, 就出皮疹.
The heat brought her out in (ie caused) a rash. 她热得出了痱子. 2 [sing] ~ of sth (fig 比喻) sudden widespread appearance of sth unpleasant 令人不快的事物突然大量出现
a rash of ugly new houses 一下子冒出来的一大片难看的房子
a rash of strikes in the steel industry 钢铁工业突如其来的一连串大罢工. rash adj (-erest) acting or done without careful consideration of the possible consequences; impetuous 未仔细虑及後果的; 轻率的
a rash young student 鲁莽的年轻学生
Don´t make rash promises, ie ones you may regret. 勿轻易许诺（以免後悔）.
It was rash of you to sign the form without reading it. 你看也不看就在表格上签字真太轻率了.