名詞 imperfection:

1. the state or an instance of being imperfect
   同義詞：imperfectness

1. If you aim imperfection, there would be some chance of your get it; whereas if you aim at perfection, there is none.
   假使你不在乎求全，你還可有一些機會達到目的; 但如志在求全，就完全沒有機會了。
2. Being entirely without flaw or imperfection; perfect.
   無瑕疵的完全沒有缺陷或不足的; 完美的
3. My father never tolerated imperfection.
   我父親要求一切事情非盡善盡美不可。
4. The only slight imperfection in this painting is a scratch in the corner.
   這幅畫唯一的小疵是在角落里有一道劃痕。

im.per.fec.tion

n.（名詞）
The quality or condition of being imperfect.
不完美：不完美的狀態(tài)或性質
Something imperfect; a defect or flaw.See Synonyms at blemish
缺點，瑕疵：不完美的東西；缺陷或瑕疵參見 blemish