一把钥匙开一把锁

yī bǎ yào shi kāi yī bǎ suǒ

One key opens one lock.

勺子

sháo zi

spoon; ladle

人偶

rén ǒu

puppet

卡片

kǎ piàn

card

器

qì

device

卷烟

juǎn yān

cigarette

家伙

jiā huo

household dish, implement o...

名片

míng piàn

(business) card

卡扣

qiǎ kòu

clip; buckle

凳子

dèng zi

stool

卷纸

juǎn zhǐ

toilet roll

包

bāo

to cover