risk doing sth"冒险做某事"，后接名词或动名词作宾语

at the risk of ... 冒......之危险；不顾......之风险

energy n. 精力；活力，干劲；能源；能量

full of energy精力充沛 energetic adj. 精力充沛的

regular adj. 规则的，正规的，正式的；定期的，匀称的，有规律的；常规的

regularly adv. 有规律地；经常；定期地

control v. & n. 控制

count vt. & vi. 数，点数，数数目

　　　vi. 算数，有效，有价值，有重要意义，有影响力，起作用

ability n. 能力，本领 be able to do sth. 能够做...... be unable to do sth 不能做某事

concentrate vt. & vi. 集中（思想、精力、注意力等），全神贯注

Sb. concentrate on / upon sth. 专心于，精力集中于......

concentrate ... on / upon ... 把......集中在......上

amount n. 数量，数额

a large / great amount of ... "大量的......"，主要用于修饰不可数名词

large amounts of ..."大量的......"，主要用于修饰不可数名词

economic loss经济损失

especially 尤其 / specially专门地

Useful expressions:

keep/stay slim 保持苗条 go on a diet 节食

put on weight体重增加 lose some weight 减肥

control weight 控制体重 take weight-loss pills 吃减肥药

be ashamed of 对......感到羞愧 recover from a disease 从疾病中恢复

be dying to do sth. 极想/渴望做...... build up one's strength 增进体力

cheer sb. up 使某人振奋起来 side effect 副作用

fall out（头发等）脱落 in the long/short term 长期（短期）

in the long run 从长远看，终究 on one's own 独自

prepare sb. for ... 使某人做好......的准备 in secret 秘密地

along with 连同，随同 come across 偶遇

convey important information 传递重要信息 recommend sth. to a friend 向朋友推荐......

make the most of 充分利用 cheer sb. up 使......高兴起来

live a busy life 过着忙碌的生活 think about 考虑

a headache to adults 对大人们是件头痛的事 take in 吸收，欺骗，留宿

feel tired 感到疲倦 by the way 顺便说一下

have no time left 没有剩余时间 in no time 立刻

be responsible for 对......负责任 give out papers 分发试卷

exercise regularly/ regular exercise 经常锻炼 vegetables and fruit 水果和蔬菜

cause sb. to do sth. 使某人做某事 be a good match for 和......很匹配

It isn't worth it. 不值得。

hear from sb. /receive a letter from sb. 收到某人的来信

work out 锻炼身体；"计算出（总额等）；制定出，想出（办法）；解决（问题）；理解，看出；结果是，产生某种结果，有预期的结果，证明有效/有用

as a matter of fact 事实上 (in fact, in actual fact, actually)

a piece of advice (on) 一条建议/一项忠告