difficulty ['dɪfɪkəlti] 词频1 词根: fac

n. 困难，麻烦，难事;难度;异议，争论，纠葛;财政困难，（经济）拮据;

💡 difficult困难的+y表名词 →困难

"They showed great perseverance in the face of difficulty."

近义：headache, hindrance, hitch, holdback, holdup, hurdle 反义：ease, easiness

kind [kaɪnd] 词频1 词根: /kin/

n. 〈古〉方式，方法;本质，天性;同类;某类; adj. 仁慈的，体贴的;友善的，好心的;温和;宽宏大量的;

"Beneath his gruff exterior, he's really very kind-hearted."

近义：nature, order, quality, rank, sort, stamp 反义：heedless, impolite, inattentive, inclement, abrupt, loutish

help [hɛlp] 词频1 词根: /hʌn/

vt.& vi. 帮助;有助于， 有利于; vt. 治疗;避免;招待（客人）;给…盛（饭、菜）; n. 帮助;助手;补救办法;有用; vi. （在餐桌旁）招待，侍应，作仆人（或店员、服务员等）; int. [呼救语]救命！;

💡 同义词：assist，aid

"He finally agreed, albeit reluctantly, to help us."

近义：assist, assuage, attend, succor, succour, support 反义：leave, neglect, quit, strand, desert, forsake