temperamental
/ˌtempərəˈmentəl/adjective
1
- (of a person) liable to unreasonable changes of mood（人）喜怒无常的, 情绪不稳定的。
2
- of or relating to a person's temperament气质的; 性情的, 性格的, 禀赋的：
they were firm friends in spite of temperamental differences.
他们虽性格相异, 却是挚友。
派生词