感到舒适和放松：指在熟悉的环境中感到舒适、自在和放松。
... be angry with sb.生或人的气 be at home在家 be amazed at对于…感应惊讶 ...
... at home with 精通(熟悉) be at home 觉得安适,无拘束... the old folks at home 家乡的老人家...
back home 回家 be at home 别拘束，随便点 bring home vtr informal (introduce boy- or girlfriend to one's parents) 非正式用语 带男/女朋友回家见自己的父母 .
I'll be at home all morning.
我一上午都在家。
I didn't think you'd be at home but I just called by on the off chance.
我想你不会在家，只是碰碰运气顺路来看一下。
They can't be at home.
他们不可能在家。
At a dinner party at his friends' house, a young woman asked him if he would be sailing home soon.
VOA : special.2009.01.14
I just, kind of, want to be at home by myself."
我只是想一个人独自待在家“
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and I just want to be at home, not having to do whatever I have to do,
并且我只想呆在家，不用做那些我必须做的事情，
SpeakingMax英语口语达人 : 去溜冰场
Finding themselves safely at home, it would be of no importance whether they had ever been away."
VOA : special.2009.12.31
She believed it was important that Americans be able to study such fine art at home.
VOA : special.2009.07.12
The home screen contains an activity feed that would be at home on any social network.
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Here's a look at several of their designs that would be at home in your home.
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The method cuts costs and doesn't demand that the customer be at home when the truck arrives.