在现场

• on the spot
• upon the spot

例句

1. 不幸的是，那人非常巧妙地证明自己当时不在现场，这使警方迷失了方。
   It was unfortunate that the police were put off the track by the man's seemingly excellent alibi.
2. 他们没抓我的罪证--我有不在现场的证据。
   They've got nothing on me I've got an alibi.
3. 证人是一名在现场的记者。
   The witness is an on-the-spot reporter.