重點講解：
1. a series of 一連串；一系列；連續；接連；
The council has organised a series of events and competitions for school children in the area.
委員會為本地區的中小學生組織了一系列的活動和比賽mFCSPX%gSuT!7_zJm。
2. at the hands of 在…手中，從…那里（尤指受到不好的待遇）；
The civilian population were suffering greatly at the hands of the security forces.
老百姓吃盡了安全部隊的苦頭=K=J%XpXip,。
3. at least （數量）至少，不少于；
I could provide you with the addresses of at least three illegal drinking dens.
我可以為你提供至少3處非法飲酒窩點的地址2l2D+RgY*)9HQfz。
4. up to 高達；多達；
Up to twenty thousand students paid between five and six thousand dollars.
多達20,000名學生支付了5,000到6,000美元YWdUn0j9&I。