詭譎多變

诡谲多变
guǐjuéduōbiàn

to be strange and changeable

Wiktionary

Entry Composition

1 詭譎 guǐjué
  1. weird
  2. sly
  3. treacherous
2 多變 duōbiàn
  1. fickle
  2. (math.) multivariate