重點講解:
1. a number of 若干;許多;
He's been around a long time and has acquired a number of skills.
長久以來他見過很多世面,學了很多技術(shù) 。
2. aim to do sth. 致力于;旨在;以…為目標;
They are ai ming to reduce unemployment by 50%.
他們正力求使失業(yè)人數(shù)下降50% 。
3. prevent sb. from doing sth. 阻止;阻礙;阻撓;
Nothing would prevent him from speaking out against injustice.
什么都不能阻止他鳴不平 。
4. accuse sb. of sth./doing sth. 指責;責難;
She accused him of lying.
她指責他說謊 。
v. 預防,防止