under my roof 在我的屋顶下
I refuse to have such goings - on under my roof.
我不允许这样的事发生在我的屋里.
I took her under my roof and gave her every help I could for two years.
我把她接到我家住下,并尽力在各方面帮助她达两年之久.

at an audition试镜；个试
Guess who has an audition for a Broadway musical?
猜猜谁得到了百老汇音乐剧的试演机会?
This actor is known to ham during an audition.
据说这名演员在试镜时表演太过火.