tem·pe·ra·men·tal /ˌtempərəˈmentl◂/ adjectiveadj 1 EMOTIONALlikely to suddenly become upset, excited, or angry – used to show disapproval 喜怒无常的;易兴奋的;易怒的〔含贬义〕 Preston is particularly good at handling temperamental people. 普雷斯顿特别擅长对付喜怒无常的人。
2 BROKENa machine, system etc that is temperamental does not always work properly 〔机器、系统等〕性能不稳定的 Sorry if the heater’s a bit temperamental. 很抱歉加热器性能不稳定。
3 CHARACTER/PERSONALITYrelating to the emotional part of someone’s character 气质的,性情的,性格的 serious temperamental differences between the couple 夫妻之间性格上的严重不合
—temperamentally adverbadv