21. account for (=give an explanation or reason for) 解釋, 說明
a) The suspect couldn't account for his time that night.
b) 嫌疑犯不能說明那天晚上他的時間安排
22. accuse sb of…(=charge sb with…; blame sb for…; blame sth on sb ; complain about) 指控,控告
a) They were accused of unlawful assembly.
23. be accustomed to doing sth (=be in the habit of doing sth, be used to sth)習慣于
a) I am not accustomed to being interrupted.
24. be acquainted with 了解; 熟悉
a) He was well acquainted with the literature of France, Germany and Holland.
25. act on 履行;
a) Both the Israelis and the Palestinians failed to act on recent UN resolutions. 以巴雙方均未能履行聯合國近期的決議。
26. act as 擔當;
a) Act as an agent to record the accounts.
27. act for 代理
a) He acted for Smith while he was ill.
28. adapt oneself to <situation> (=adjust oneself to)使自己適應于
a) He adapted himself to the cold weather.
b) 他適應了寒冷的天氣。
29. adapt…(for) (=make sth Suitable for a new need) 改編, 改寫(以適應新的需要)
a) A graded reader is a story which has been adapted for people learning to read or learning a foreign language.
30. in addition 此外, 又, 加之
a) The Met Office Web site provides regional reports, a shipping forecast and gale warnings. In addition, visitors can download satellite images of the UK.