assumption

　　n. 假定，假设

　　[同]supposition

　　n. 承当，担任

　　the assumption of office 就职

　　n. 自负，傲慢

　　[难点]

　　on the assumption that… 假定…

　　on the condition that… 以…为条件

　　assurance

　　n. 自信，把握，胸有成竹

　　He answered all the questions with assurance. 他有把握地回答了所有的问题。

　　[同]self-confidence

　　n. 承诺，担保，保证

　　We had his assurance that he would help us.

　　我们得到他愿意帮助我们的承诺。

　　[同]guarantee

　　(律)不动产转让(证书)

　　astonishment

　　n. 惊奇，惊讶，惊愕

　　To my astonishment,my money was gone.

　　使我大吃一惊的是我的钱丢了。

　　[同]great surprise

　　n. 令人惊讶的事物