形容詞 inept:

1. not elegant or graceful in expression
   同義詞：awkward, clumsy, cumbersome, inapt, ill-chosen
2. generally incompetent and ineffectual
   同義詞：feckless
3. revealing lack of perceptiveness or judgment or finesse
   同義詞：tactless

1. Not competent or skillful; inept.
   無(wú)能的沒(méi)能力的或不熟練的; 笨拙的
2. I've never heard anyone so inept at making speeches.
   我從未聽說(shuō)過(guò)有這樣不會(huì)講話的人。
3. His inept handling of a minor problem turned it into a major crisis.
   他處理不善使小事變大了。

in.ept

adj.（形容詞）
Not apt or fitting; inappropriate.See Synonyms at awkward
不合適的：不恰當(dāng)?shù)幕虿缓线m的；不合宜的參見(jiàn) awkward

Displaying a lack of judgment, sense, or reason; foolish:
愚蠢的：表現(xiàn)出缺乏判斷力、理性或理智的；笨的：
例句：
an inept remark.
一個(gè)愚蠢的評(píng)價(jià)

Bungling or clumsy; incompetent:
笨拙的：毛手毛腳的；無(wú)能的：
例句：
inept handling of the account.
笨拙地處理帳目

來(lái)源：
Latin ineptus
拉丁語(yǔ) ineptus
in- [not] * see in-
in- [不] *參見(jiàn) in-
aptus [suitable] * see apt
aptus [合適] *參見(jiàn) apt

【引伸】
inept.ly
adv.（副詞）
inept.ness 或
inep.titude.