经理的决定在大家看来是不理性的。

The manager's decision seemed ___irrational to everyone.

很多人对蜘蛛有一种不理性的恐惧。

Many people have an ___irrational fear of spiders.

她不理性的焦虑让她难以入睡。

Her ___irrational anxiety made it difficult for her to sleep.