名詞 mannerism:

1. a behavioral attribute that is distinctive and peculiar to an individual
   同義詞：idiosyncrasy, foible
2. a deliberate pretense or exaggerated display
   同義詞：affectation, pose, affectedness

1. A type of schizophrenia, usually starting at puberty, characterized by foolish mannerisms, senseless laughter, delusions, hallucinations, and regressive behavior.
   青春期癡呆一種精神分裂癥，通常始發(fā)于青春期，其特征為舉止癡呆、傻笑、妄想、幻覺以及退化的舉止
2. He's taken on some irritating mannerisms.
   他新添了些討人嫌的怪毛病。

man.ner.ism

n.（名詞）
A distinctive behavioral trait; an idiosyncrasy.
習(xí)性：明顯的行為特征；習(xí)性
Exaggerated or affected style or habit, as in dress or speech.See Synonyms at affectation
矯揉造作：穿著或講話中夸張、造作的風(fēng)格或習(xí)慣參見 affectation
Mannerism An artistic style of the late 'th century characterized by distortion of elements such as scale and perspective.
Mannerism 風(fēng)格主義：'世紀(jì)歐洲的一種藝術(shù)風(fēng)格，特點(diǎn)是比例和透視因素的扭曲

【引伸】
man.nerist
n.（名詞）
man.neris.tic
adj.（形容詞）