形容詞 door-to-door:

1. (of e.g. journeys or deliveries) direct from point of origin to point of destination
2. omitting no one; from the door of one house to that of the next
   同義詞：house-to-house

door-to-door

adj.（形容詞）
Going to or making appeals at residences, as when selling or canvassing:
面對面的；上門拜訪的：直接到宅進行拜訪或懇求，尤其是在賣東西或游說時：
例句：
a door-to-door sales representative.
家戶拜訪的業(yè)務代表

Delivered directly from a store or business to a residence:
送貨到家：將貨物直接由商店直接送到住宅：
例句：
promised door-to-door delivery.
承諾送貨到家

【引伸】
door.-to-door.
adv.（副詞）