+12 = 21

ㄅㄧㄠbiāo

ㄅㄧㄠbiāo
  1. 飆車」、股票狂飆」。
(literary)​ very strong wind; gale, (bound form)​ wild; violent; unrestrained; furious
Wirbelwind, heftiger Wind (S, Met)​
ouragan, vent violent, tourbillon