fall down 摔倒，跌倒

beyond one's expectation 超出某人的预期

for a long time 一段时间

play a（an）…role in 扮演…角色

be likely to 倾向于，很有可能

have difficulty in doing sth. 做某事有困难

ask sb. to do 要求某人做某事

stick to 坚持，粘住

as well as 也，和… 一样

due to 归因于，由于

see a doctor 就诊，看医生

at ease 安逸，自由自在

be busy doing sth. 忙于做某事

have to do 不得不做某事

vary from 不同

carry on 继续，参与

wear out 耗尽，磨损

believe in 相信

face with 面对，面临

inform sb. of sth. 通知某人某事