1650s, "brought to desired hardness" (of metals, especially steel), past participle adjective from temper (v.). Meaning "toned down by admixture" is from 1650s; of music or musical instruments, "tuned," from 1727.
权威例句
1. My father, who had always been very self-controlled, became bad-tempered.
平素一直非常自制的父亲变得暴躁了。
2. When his headaches developed Nick became bad-tempered and even violent.
尼克出现头痛时脾气就变得很差,甚至还会动粗。
3. The early ambitions of youthful enthusiasm soon become tempered with realism.
之前年少时对理想抱负怀有的一腔热情很快便被现实浇灭。
4. It was a day of tense and often ill-tempered debate.