狠: ruthless, fierce, ferocious, determined, to harden (one's heart), old variant of...
特性: property, characteristic...
冷酷无情: cold-hearted, unfeeling, callous...
里面: inside, interior, also pr....
工会: labor union, trade union...
栽培: to grow, to cultivate, to train, to educate, to patronize...
驯: to attain gradually, to tame...
