know是个大家都认识的英语单词，不过和know有关的短语大家却不见得都知道是什么意思，一起来看看吧。
be in the know
英英解释: have inside knowledge about a situation
英汉释义：知道实情，掌握内幕
例句：
Talk to Tim. He's in the know.
跟蒂姆谈谈，他有内幕消息。
Are you in the know about the current crisis?
关于目前的危机，你有什么内幕吗？
know better
英英解释: have knowledge about how one should behave
英汉释义：很懂的，很明白
例句：
You know better than to do that!
你明知道不应该那么做！
I wish he had acted differently. He certainly knew better!
我希望他有不同的表现，他知道该做什么。
英英释义: understanding of how a task should be done
英汉解释：实际知识；技能；诀窍
例句：
I'd call technical support and ask someone with the know-how.
我要打技术支持电话问个明白人。
Do you have the know-how to upgrade our servers?
你有升级我们服务器的能力吗？
英英释义: possess the skills and knowledge to be successful in a particular task
英汉解释：了解在特殊领域成功的能力和诀窍
例句：
Let's ask Tom. He knows all the tricks of the trade.
咱们去问问汤姆吧，他知道这里面的门道。
I think we need to bring in a specialist who knows the tricks of the trade.
我觉得我们需要引进以为懂行的专家。