What are keys called in Chinese?

a) 钥匙
b) 锁匙
c) Both a) and b) are acceptable.

The correct answer is 钥匙.

In Singapore, we often say 锁匙; this is a translation from the Cantonese’s term for keys.

During exams, it’s best to stick with 钥匙 because examiners may consider 锁匙 as a 病句。