名詞 nit:

1. a luminance unit equal to 1 candle per square meter measured perpendicular to the rays from the source
2. egg or young of an insect parasitic on mammals especially a sucking louse; often attached to a hair or item of clothing

1. If I have get the picture, then English people is nit good at learning language.
   要是我明白了這意思，那就是說英國人不善于學習語言。

nit

n.（名詞）
The egg or young of a parasitic insect, such as a louse.
虱卵：寄生昆蟲的卵或幼蟲，如虱子

來源：
Middle English
中古英語
from Old English hnitu
源自 古英語 hnitu

【引伸】
nit.ty
adj.（形容詞）

---------------另--------------
nit
nit 2

n.（名詞）
A unit of illuminative brightness equal to one candle per square meter, measured perpendicular to the rays of the source.
尼特：照明亮度單位，相當于每平方米燭光。與光源發(fā)出的光垂直來測量

來源：
From Latin nitor [brightness]
源自 拉丁語 nitor [亮度]
from nitôre [to shine]
源自 nitôre [發(fā)亮]