名詞 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
   同義詞：fingerprint
2. a generic term for any identifying characteristic
   同義詞：fingerprint
3. a smudge made by a (dirty) finger
   同義詞：fingermark, fingerprint

動詞 finger print:

1. take an impression of a person's fingerprints
   同義詞：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線索來幫助他們偵破搶劫案件。
2. The police have only one finger print to hold on to.
   警察只能借助于惟一的一個指印。