1. not at all 一点也不;别客气
eg "No, not at all, " she said, nibbling away at his ear.
女孩在小伙子耳边轻轻说道:“不,根本不是。”
2. knock yourself out 别客气;随便点,把这当自己的家
eg This is interactivity as defined by a children's museum: Here are the buttons you may push without breaking anything; knock yourself out, kids.
所以这种尝试也只能被定义为儿童博物馆:这个按钮你可以动,前提是不能打坏任何东西;请自便,小家伙。
3. take care of 照顾;注意;抚养
eg If you take care of something, you begin to love it — which makes us very vulnerable.
如果你照顾某些事情,你已经开始爱上它了--这让我们非常的投入.