重點講解：
1. for the first time 首次；第一次；
例句：For the first time luck hooked onto me.
運氣第一次降臨到我頭上1G3g+LJG7)8NGQ+=;,。
2. at least 至少，起碼；
例句：At least this second meeting had helped to thaw the atmosphere.
這第二次會議至少起到了緩和氣氛的作用V0Fu6rTvOkEvk2yB-.。
3. prevent sb. from doing sth. 阻止；制止；阻礙；
例句：Cotton mittens will prevent the baby from scratching his own face.
棉的連指手套使嬰兒不會抓傷自己的臉B7[IUxfNtc。
4. look for 尋找，尋求，謀求（解決方案或新的方法）；
例句：The working group will be looking for practical solutions to the problems faced by doctors.
工作小組將尋求切實可行的方案，以解決醫生們遇到的難題d*VSi!.]dOcS1wTy。