doubt [daʊt] 词频1 词根: dou

n. 怀疑，疑虑;未确定; vt. 怀疑，疑惑; vi. 不确定，不能肯定或怀疑;

💡 doubt二→二种状态→怀疑

"a feeling of doubt and uncertainty"

近义：disbelieve, hesitation, hesitate, mistrust, question, stagger 反义：prove, reassure, verify, vouch, check, demonstrate

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