3 be active in 对(于)……很积极 =take an active part in...积极参加 act...out表演出

　　4 be abroad/ go abroad/ live abroad/ travel abroad both at home and abroad 国内外

　　5 admit one's mistake 承认错误 6 take/follow one's advice 接受某人的建议

　　7 give advice on 就……提出建议 8 advise sb. to do sth. 建议某人做某事

　　9 advise doing sth. 建议做某事　　 10 the day after tomorrow 后天

　　11 after all 毕竟;终究 12 against one's will 违心

　　13 at the age of 在……岁时 14 achieve one's aim 实现目标

　　15 in the air 在空中;悬而未决 on the air在播出 by air乘飞机 in the open air 在户外，露天

　　16 at the airport 在机场