warn away的用法和樣例：
例句
- It's incumbent on you to warn them.
你有責任告誡他們。 - The police warn us not to go out at night.
警察告誡我們夜間不要出門。 - The young should be kept away from him, for he leads a bad life.
應禁止年青人同他交往，因為生活放蕩。 - A law designed to keep kids away from Internet pornography violates free speech.
一項禁止兒童接觸網路色情文化的法律違反了自由言論。
