irrational
adj
1 not guided by reason; illogical or absurd 没有道理的; 不合逻辑的; 荒谬的
irrational fears, behaviour, arguments 荒唐无稽的恐惧、 行为、 论据.
2 not capable of reasoning 无理性的
behave like an irrational animal 表现得像无理性的野兽.
A burst of activity associated with the laying of submarine cables soon confirmed the Challenger's observation that many parts of the ocean were two to three miles deep,