钥匙链

yàoshiliàn

keychain

配钥匙

pèiyàoshi

to make a key

私人钥匙

sīrényàoshi

private key (in encryption)

万能钥匙

wànnéngyàoshi

master key

公开钥匙

gōngkāiyàoshi

public key (in encryption)

钥匙洞孔

yàoshidòngkǒng

keyhole

现在是过去钥匙

xiànzàishìguòquyàoshi

Today is the key to the past.

一把钥匙开一把锁

yībǎyàoshikāiyībǎsuǒ

One key opens one lock.