17.收到某人来信　　　 hear from sb.(短)= get/receive a letter from sb.(短)

　　　 　　　　　　　 =have a letter from sb.(延)

16.提供某物给某人　 　 offer /give sb. sth. = offer sth. to sb.

15.有时 　　　　　　 from time to time=at times=sometimes

14.如何在两者之间获得平衡how to achieve a balance between the two

13.别在意……　 　　　 pay no attention to….

11.整天/整夜　　　 　 all day/night　　 12.目前at the moment = at present = now

10.关于某事与某人争吵 quarrel(argue) with sb about sth.

9.(灯、电视等)开着、亮着　　 be on

8.得到足够的睡眠　　 get/have enough sleep

7.青少年的问题 teenage/teenagers’ problems