fierce

a.狂暴的，凶猛的，残酷的；巨大的，强烈的

fiddly, fidelity, fidget, fidgety, field, field hockey, Field Marshal, field officer, field sports, field-day, field-events, field-glasses, field-test, field-work, field-worker, fielder, fieldsman, fiend, fiendish, fiendishly, fiercely, fierceness, fierily, fieriness, fiery, fiesta, FIFA, fife, fifteen, fifteenth, fifth, fifthly, fiftieth, fifty, fifty pence (also fifty p, 50p), fifty-fifty, fig, fig-leaf, fight, fighter,