Don't leave him standing on the doorstep, ask him in!
不要让他站在门口的阶梯上, 请他进来.
📖 牛津释义
doorstep
n
1 step leading up to (usu) an outside door 门阶
empty milk bottles on the doorstep 放在门阶上的空牛奶瓶. =>illus at App 1 见附录1之插图, page vi.
2 (idm 习语) on one's `doorstep very near 很近
In our holiday villas you'll have both the beach and the mountains on your doorstep. 我们的度假别墅离海滩和山都很近.