1. War begets misery and ruin.
    战争是苦难与毁灭的祸根.

2. The news meant the ruin of all our hopes.
    这消息使我们的一切希望都破灭了.

3. He has banned television from his home because he fears it might ruin the minds of his family.
    他的家里不看电视，因为他担心电视会破坏家人的思考能力。

4. Feelings of hostility will ruin our opportunity of success.
    敌对情绪会毁掉我们成功的机会。