If you say that someone's attitude or behaviour is an affectation, you disapprove of the fact that it is not genuine or natural, but is intended to impress other people.
例句
I wore sunglasses all the time and people thought it was an affectation...我成天戴著墨鏡，大家都覺得我在裝酷。Lawson writes so well: in plain English, without fuss or affectation.勞森寫得很好：英文通俗易懂，樸實無華又不矯揉造作。
英漢詞典釋義
n.
假裝，裝模作樣，故弄玄虛
without affectation老老實實地, 直率地He speaks with a British accent, but that is just an affectation because he’s not British.他說話帶有英國口音，但這是裝出來的，因為他不是英國人。He made an affectation of indifference.他裝出無動于衷的樣子。
裝模作樣的言行;矯情
Her posh accent is pure affectation.她的時髦腔調純粹是矯揉造作。The affectations in the way she speaks annoyed me.她說話時裝腔作勢的樣子惹我惱火。