46. certain adj. 肯定的,確認(rèn)的I’m ~that/It is ~that

? ? ?positive adj. 確定的,確信的,肯定的(←negative)sure adj. 一定的,有把握I’m ~ (不能說: It is ~)that

47. certainly adv. 當(dāng)然,無疑

? ? ? surely adv. (我敢)肯定,定然會

48. chance n. (幸運或偶然),機會by~ 偶然/意外地

? ? ?occasion n. 時機,(某個時刻提供的)機會by~of 由于

? ? ?opportunity n. (適合某人做某事的)良機,機遇

49. character n. (人、物由charasteristic組成的)總特征

? ? ? feature n. (部分細(xì)節(jié)之形狀、重要性)特征,臉面特征,五官

? ? ? characteristic n. (突出而穩(wěn)定,區(qū)別于他人的本質(zhì))特征,特點

? ? ? property n. (物理)屬性

50. cheat v. (為私利、不誠實)而欺騙,騙取;作弊

? ? ?deceive v. (歪曲真相的)欺騙,誘騙

? ? ?fool v. 愚弄,哄騙