He warned Billy to keep away from his daughter.

他警告比利离他女儿远点。

Please keep away from my younger sister.

请离我的妹妹远一点！

She did not understand why she was to keep away.

她不明白她为什么不能过去。

He could order the gardeners to keep away so they wouldn't find out.

他可以命令园丁们都走开，这样他们就不会发现了。

Keep away from the transformer.

不要靠近那个变压器。