Definition: Irrational feelings and actions are based on your emotions and not on good reasons. Level: C2
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.
