The man was unable to identify his attacker from the photos shown to him by the police.
The Tiger shark can be a sudden attacker and is therefore considered to be a dangerous animal.
WordNet 3.0 Sense Numbers: 1
John is a formidable attacker on his soccer team.
The attackers rallied in the fourth quarter of the game and scored three points to win.
WordNet 0.0 Sense Numbers: 1b
Commentary: Automatically generated NOTA sense (bbn)