even-tempered

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++ˌeven-ˈtempered adjective  CALMsomeone who is even-tempered is calm and does not easily become angry 性情平和的 SYN placid

Examples from the Corpus

even-tempered• They will stay even-tempered from morning to night.• Charles had been Lord of the Scaffold since 1699, contemporaries describing him as a gentle and even-tempered man.

ˌeven-ˈtempered adjectiveChineseSyllable  

and easily is is not calm even-tempered someone become who does Corpus

even-tempered
ˌeven-ˈtempered adjective
someone who is even-tempered is calm and does not easily become angry
   SYN  placid

even-temperedBrE /ˌiːvn ˈtempəd/ 🔊NAmE /ˌiːvn ˈtempərd/ 🔊 adjectivenot easily made angry or upset 性情平和的