67. be ashamed at sth. 为某事感到羞愧;be ashamed for 为某人感到羞愧 68. ask for sth. 请求;ask sb. for sth. 向某人索取某物;ask sb. to do sth. 要求某人做某事 69. every aspect of=all the aspects of 各个方面 70. assist sb. with sth./assist sb. in doing...