了解,知道,认识
knew
(verb)了解,知道（know的过去式）known
(verb)知道（know的过去分词）known
(noun)已知事实knows
(verb)知道（know的第三人称单数形式）knowledge
(noun)学科,学问,知识,知道,认识knowledgeable
(adjective)有知识的,有见识的,知识渊博的,聪明的know
(verb)了解,知道,认识knowing
(adjective)博学的,心照不宣的,狡猾的knowing
(noun)认知knowingly
(adverb)故意地,机警地,狡黠地known
(adjective)大家知道的,已知的,知名的unknown
(adjective)未知的,陌生的,默默无闻的unknown
(noun)未知数,未知的事物,默默无闻的人unknowing
(adjective)不知道的,没有察觉的unknowingly
(adverb)不知不觉地well-known
(adjective)众所周知的,清楚明白的,著名的unknowable
(adjective)不可知的,不能知道knowable
(adjective)可知的,易知的,能认识的knowledgeably
(adverb)有知识地,聪明地knowledgable
(adjective)有见识的,知识渊博的（等于knowledgeable）
Forms
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