finger prints

名词 finger print:

1. biometric identification from a print made by an impression of the ridges in the skin of a finger; often used as evidence in criminal investigations
   同义词：fingerprint
2. a generic term for any identifying characteristic
   同义词：fingerprint
3. a smudge made by a (dirty) finger
   同义词：fingermark, fingerprint

动词 finger print:

1. take an impression of a person's fingerprints
   同义词：fingerprint

1. The police can find no finger print or other clue to help them in solving the robbery.
   警方找不到指印或其他线索来帮助他们侦破抢劫案件。
2. The police have only one finger print to hold on to.
   警察只能借助于惟一的一个指印。