fault [fɔlt] 词频1 词根: fals

n. 缺点，缺陷;过错，责任;[电]故障;（猎狗的）失去嗅迹; vt. 挑剔，找…的缺点;批评;做错，在…中出错;[地质学]产生断层; vi. 找错误，挑剔;[地质学]变动从而产生断层;

💡 fault=fal错 → 过失，缺点

"A wilful fault has no excuse and deserves no pardon."

近义：rift, shift, break, fracture, faulting, recuse 反义：indulgence, pardon, purge, remit, resolve, spare

mule [mjul] 词频2

n. 骡子;顽固的人;杂交种动物;

"A mule is a hybrid of a male donkey and a female horse."

近义：hinny, mula, sumpter, slipper, muleteer

must [mʌst] 词频1

aux. 必须;必然要;（做出逻辑推断）;（表示坚持）; n. 必须做的事，必不可少的事物;葡萄汁;霉臭;麝香; vt.& vi. （表示必要或很重要）必须;（提出建议）应该;得;（表示很可能或符合逻辑）一定; adj. 不可或缺的;狂暴的;

"You must be able to speak French for this job."

近义：ought, should, necessaries, necessity, precondition, prerequisite

walk [wɔk] 词频1

vt.& vi. 走;步行;散步; n. 步行;步态;人行道;步行的路径; vi. 行走;陪伴…走;徒步旅行;不翼而飞; vt. 牵着（动物）走，遛，赶着…走;

"The sidewalk is very uneven — be careful where you walk."

近义：march, move, pass, ride, roam, transit 反义：quit, rest, stand, cease, desist, end

foot [fʊt] 词频1

n. 脚;底部;英尺(=12 英寸或 30。48 厘米);脚步; vt. 走，踏; vt.& vi. 结算，总计，共计;

"In a pinch, you could get home on foot."

近义：subvene, defray, tootsy, tootsie, mount, rock