Don't leave him standing on the doorstep, ask him in!
不要讓他站在門口的階梯上, 請他進來.
?? 牛津釋義
doorstep
n
1 step leading up to (usu) an outside door 門階
empty milk bottles on the doorstep 放在門階上的空牛奶瓶. =>illus at App 1 見附錄1之插圖, page vi.
2 (idm 習語) on one's `doorstep very near 很近
In our holiday villas you'll have both the beach and the mountains on your doorstep. 我們的度假別墅離海灘和山都很近.