un
a
ccount
able
1
无法解释的, 无法辩解的
impossible to explain or justify
- She had an unaccountable feeling of unease when entering the old building.
进入那座旧建筑时，她有一种无法解释的不安感。
- The sudden change in his behavior was unaccountable to all who knew him.
他行为的突然变化对所有认识他的人来说都是无法解释的。
同义词：
2
无法解释的, 不负责任的
utter or tell
3
不负责任的, 无法控制的
free from control or responsibility