Nothing would prevent him from speaking out against injustice.
什么都不能阻止他鸣不平。
It was too late to prevent the story from appearing in the national newspapers.
要阻止全国性报纸刊登这件事情已为时太晚。
A nasty incident was prevented by the timely arrival of the police.
警察的及时到来阻止了一次严重事故。
Further treatment will prevent cancer from developing
进一步的治疗将阻止癌症恶化。
The police have been trying to prevent them carrying weapons.
警方一直都设法阻止他们携带武器。