the pattern of curved lines on the end of a finger or thumb that is different in every person, or a mark left by this pattern

His fingerprints were all over the gun. 枪上到处都是他的指纹。

The police have taken fingerprints from every man in the neighbourhood. 警方已经提取了附近所有男子的指纹。

a mark left by dirt or oil from someone's finger on a clean surface

to record the pattern of someone's fingerprints

We would like to fingerprint every one of your employees. 我们希望获取你们的每一位雇员的指纹。