重點講解：
1. thanks to
幸虧；歸因于；
eg. Thanks to her skilful handling of the affair, the problem was averted.
多虧她對事情處理得巧妙，才避免了麻煩=fAa7G[RQN。
eg. The play succeeded thanks to fine acting by all the cast.
由于全體演員的出色表演，那出戲才獲得成功-Q(1dB7.D2Y。
2. step up
增加（數量等）；提高（速度、強度等）；
eg. Vasodilators may step up the heart rate and cause headaches.
血管擴張神經會加速心跳并引起頭痛Xr#uUs8Rj56。
eg. In order to better use of international short-term capital, countries are beginning to step up monitoring.
為了更好的利用國際短期資本，各國都開始加強監(jiān)管ug87x9Tstmjk]bIw。
3. for the first time
第一（次）的；首（次）的；
eg. For the first time in her life her talents had a fair field.
她有生以來第一次獲得了充分發(fā)揮她才能的均等機會RDZU7w;6WD0B*PIiT。
eg. For the first time in months he was in the black at the bank.
幾個月來他的銀行戶頭上第一次有了盈余WcTh[R!H9R。