firm n. 公司adj. 結實的，堅定的v. 牢固，堅定 adv. 穩固地堅定地

例句：The firm branched out quickly.

那家公司很快擴大了經營范圍。

Cary insisted that we should maintain afirm attitude.

凱里堅持我們必須采取堅定的態度。

confirm vt. 確認，批準，使鞏固，使有效

例句：He looked around carefully to confirm that he was alone.

他仔細地四處觀望．要確認他是一個人。

verify vt. 檢驗，校驗，查證，核實

例句：Before the bank was willing to lend George money, it had to verifythat he was the true owner of the house.

銀行先得核實喬治確是這幢房子的主人，然后才肯借錢給他。

conform v. 使一致，使遵守，使順從；符合，相似，適應

例句：Caroline refused to conform to the normal social conventions.

卡羅琳拒絕遵從正常的社會習俗。

affirm v. 斷言，確認，肯定

例句：They affirmed that Constance did quite a bit of reading.

他們斷言康斯坦斯一定讀了不少書。