(especially of people or animals 尤指人或动物 angry and aggressive in a way that is frightening 凶猛的；凶狠的；凶残的 a fierce dog 恶狗 Two fierce eyes glared at them. 一双凶狠的眼睛瞪着他们。 🔊🔊 He suddenly looked fierce. 他突然面露凶相。 🔊🔊 She spoke in a fierce whisper. 她恶狠狠地低声说话。 🔊🔊 The more she struggled, the fiercer he became. 她越挣扎，他变得更加凶猛。
(especially of actions or emotions 尤指动作或情感 showing strong feelings or a lot of activity, often in a way that is violent 狂热的；强烈的；猛烈的 fierce loyalty 极度的忠诚 the scene of fierce fighting 激烈战斗的场面 He launched a fierce attack on the Democrats. 他对民主党人发动了猛烈的攻击。 🔊🔊 Competition from abroad became fiercer in the 1990s. 20 世纪 90 年代，来自国外的竞争加剧。 🔊🔊 His wife is his fiercest critic. 他妻子是他最激烈的批评者。 The bill was passed despite fierce opposition. 尽管遭到强烈反对, 这个议案还是获得通过。
(of weather conditions or temperatures 天气或温度 very strong in a way that could cause damage 狂暴的；恶劣的 fierce wind 狂风 the fierce heat of the flames 火焰的炽热高温
Word OriginMiddle English: from Old French fiers ‘fierce, brave, proud’, from Latin ferus ‘untamed’.