on somebody's/the doorstepNEAR a) very near someone’s home 在某人住所近旁 Wow! You’ve got the beach right on your doorstep! 哇!海滩就在你家门口!
b) at someone’s home 在某人家门口 I got a shock when he just turned up on the doorstep. 他忽然出现在家门口,让我大吃一惊。
turned up on the doorstep• The phone kept ringing and no one there, and then he turned up on the doorstep.• My guess is you turned up on the doorstep during business hours with some papers for Marty to sign.
→ on somebody’s/the doorstep at doorstep1(1)