not receiving the thanks or praise that is deserved 未得到应有的感激(或赞赏)的 that people do not admit as existing or true; that people are not aware of 不被承认存在(或真实)的;未被意识到的 unacknowledged feelings 下意识的感情
not publicly or officially recognized 未得到公开(或正式)承认的;非正式的 the unacknowledged leader of the group 这个团体非正式任命的首领