fag-end

n (Brit infml 口) 1 end of a cigarette after it has been smoked 香烟头; 烟蒂. 2 (fig 比喻) inferior or useless remnant; worthless part of anything 低劣或无用的剩余物; 无价值的部分: He only heard the fag-end of their conversation. 他只听到他们交谈中无足轻重的部分.

factorization, factorisation, factorize, factorise, factory, factory farm, factory ship, factotum, factual, factually, faculty, fad, faddiness, faddish, faddy, fade, fade-in, fade-out, faded, faecal (US fecal), faeces (US feces), fag, faggot (US fagot), fah, Fahrenheit, faience, fail, fail in, fail to, fail-safe, failing, failure, faint, faint-hearted, faint-heartedly, faint-heartedness, fainthearted, faintly, faintness, fair, fair copy, fair play,