fiercely
adverb uk/ˈfɪəs.li/ us/ˈfɪrs.li/
凶猛地;激烈地;猛烈地
in a frightening, violent, or powerful way
to growl/fight fiercely 凶猛地咆哮／激烈地搏斗
to burn fiercely 猛烈地燃烧
极其
extremely
She's fiercely competitive/independent. 她极具竞争力／极其独立。