名詞 napkin:

1. a small piece of table linen that is used to wipe the mouth and to cover the lap in order to protect clothing
   同義詞：table napkin, serviette
2. garment consisting of a folded cloth drawn up between the legs and fastened at the waist; worn by infants to catch excrement
   同義詞：diaper, nappy

1. He is a lazy devil and keeps his talent in a napkin, with his ability and a little energy he could set the Thames on fire.
   他是一個(gè)懶鬼，把天資埋沒了。只要發(fā)揮出他的才干，再加上一點(diǎn)干勁，他可以干出一番驚天動(dòng)地的大事來(lái)。
2. He has much learning, but he hides it in a napkin.
   他學(xué)識(shí)淵博，可是并沒有把它發(fā)揮出來(lái)。

nap.kin

n.（名詞）
A piece of cloth or absorbent paper used at table to protect the clothes or wipe the lips and fingers.
餐巾：用于鋪在桌上保護(hù)衣服或用來(lái)擦嘴和手指的一塊布或吸水紙
A cloth or towel.
一塊布或毛巾
A sanitary napkin.
衛(wèi)生棉，衛(wèi)生巾
Chiefly British A diaper.
【多用于英國(guó)】 菱形織物

來(lái)源：
Middle English
中古英語(yǔ)
Old French nape, nappe [tablecloth] * see nappe
古法語(yǔ) nape, nappe [桌布] *參見 nappe
-kin [-kin]
-kin [-kin后綴]