untypical behavior
untypical example
untypical weather
highly untypical
A: Why is he acting so strange today?
A：他今天为什么表现得这么奇怪？
B: I'm not sure, but it is quite untypical of him.
B：我不确定，但这确实不像他一贯的风格。
1) 不典型的
2) 不寻常的
3) 非典型的
1. 不典型的；非典型的
adjective
1. not representative of a particular type or group
Synonym: unusual, atypical, uncommon