be harmful to 对……有害2
at the top of 在……顶部或顶端3
take part in 参加4
turn off 关掉5
pay for 付费；付出代价6
take action 采取行动7
throw away 扔掉；抛弃8
put sth
to good use 好好利用某物9
pull…down 拆下；摧毁10
upside down 上下颠倒；倒转11
bring back 恢复；使想起；归还 12
in a row 连续几次地13
look back at 回首 ( 往事 ) ；回忆；回顾14
make a mess 弄得一团糟 ( 一塌糊涂 ) 15
keep one's cool 沉住气；保持冷静16
senior high(school) 高中17
go by( 时间 ) 逝去；过去18
believe in 信任；信赖19
first of all 首先20
be thirsty for 渴望；渴求21
be thankful to sb
对某人心存感激22
ahead of 在……前面23
be responsible for 对……有责任；负责任24
set out 出发；启程25
separate from 分离；隔开26
make a difference 起作用；有影响
