dirty, foul, nasty

形容詞 nasty:

1. offensive or even (of persons) malicious- Ezra Pound
   同義詞：awful
2. exasperatingly difficult to handle or circumvent
   同義詞：tight
3. characterized by obscenity
   同義詞：filthy, foul, smutty
4. disgustingly dirty; filled or smeared with offensive matter
   同義詞：filthy, foul

1. The dog gave me a nasty nip on the leg.
   那狗在我腿上狠咬了一口。
2. I was frightened when I saw the nasty gash in her arm.
   她胳膊上又深又長(zhǎng)的大傷口嚇壞了我。
3. What a nasty man!
   這個(gè)惡人！
4. He is a person with a nasty mind.
   他是個(gè)思想骯臟的人。

nas.ty

adj.（形容詞）
nas.ti.er,nas.ti.est

Disgustingly dirty.
骯臟的：臟得引人作嘔的
Physically repellent.
難聞的：引起身體上的厭惡的
Morally offensive; indecent.See Synonyms at offensive
猥褻的，下流的：道德上應(yīng)受譴責(zé)的；下流的參見(jiàn) offensive
Malicious; spiteful:
惡意的；卑鄙的：
例句：
.Will he say nasty things at my funeralô.(Ezra Pound)
.他將要在我的葬禮上說(shuō)一些惡語(yǔ)中傷的話(huà)吧ô.(埃茲拉·龐德)

Very unpleasant or annoying:
使人不愉快的; 煩人的：非常使人不愉快或使人生氣的：
例句：
nasty weather; a nasty trick.See Synonyms at dirty
令人不快的天氣；令人生氣的詭計(jì)參見(jiàn) dirty

Painful or dangerous; grave:
嚴(yán)重的：痛苦的或危險(xiǎn)的；嚴(yán)重的
例句：
a nasty accident.
一次嚴(yán)重的事故

Exasperatingly difficult to solve or handle:
難處理的：難以理解，處理或解決的：
例句：
a nasty puzzle; a nasty problem.
難以解決的疑團(tuán)；難以解決的問(wèn)題

n.（名詞）
【復(fù)數(shù)】 nas.ties
One that is nasty:
討厭的家伙：
例句：
.It is the business of museums to present us with nasties as well as with fine things.(Country Life)
.博物館的職責(zé)是向我們展示一些好的東西同時(shí)也有壞的東西.(鄉(xiāng)村生活)

來(lái)源：
Middle English nasti
中古英語(yǔ) nasti
possibly alteration of Old French nastre [bad]
可能為 古法語(yǔ) nastre的變化 [壞的]
short for villenastre
villenastre的簡(jiǎn)寫(xiě)
vilein [bad] * see villain
vilein [壞的] *參見(jiàn) villain
-astre [pejorative suff.] from Latin -aster
-astre [輕視的副主教] 源自 拉丁語(yǔ) -aster

【引伸】
nas.tily
adv.（副詞）
nas.tiness
n.（名詞）