killer instinct

例句：

1. 1. The killer instinct is a powerful force that drives people to act against their better judgment.
   杀手本能是一种强大的力量，驱使人们违背自己的理智行事。
2. 2.He had an instinct for survival, which helped him survive the harsh conditions.
   他有生存的本能，这帮助他在恶劣的条件下存活下来。
3. 3.The animal's instinct for self-preservation was so strong that it could not resist the temptation of food.
   动物的自我保护本能如此强烈，以至于它无法抗拒食物的诱惑。