1ADJ-GRADED 爱发脾气的;脾气乖张的;喜怒无常的 If you say that someone is temperamental, you are criticizing them for not being calm or quiet by nature, but having moods that change often and suddenly. 爱发脾气的;脾气乖张的;喜怒无常的 [disapproval]
He is very temperamental and critical.
他好使性子,还爱挑毛病。
...a man given to temperamental outbursts and paranoia.
2ADJ-GRADED (机器、汽车)老出问题的,易出故障的,性能不稳的 If you describe something such as a machine or car as temperamental, you mean that it often does not work properly. (机器、汽车)老出问题的,易出故障的,性能不稳的
I first started cruising in yachts with temperamental petrol engines.