上门服务的英文：
door to door service
Our shop provides home-delivery service for the old, weak, sick, disabled and the pregnant.
对老、弱、病、残、孕，本店提供送货上门服务。
n. 门，门户；途径
The door was unclosed.
门被人打开了。
This door is manual.
这个门是要用手操作的。
Who is knocking the door || Who is knocking || Who is at the door || Who is knocking at the door?
谁在敲门
Who is knocking the door / Who is knocking / Who is at the door / Who is knocking at the door?
谁在敲门
The enumerators went door to door to collect detailed information.
调查员挨家挨户收集详细信息。
n. 公共服务系统；公共事业机构；政府机构；帮助，效劳
v. 检修，维修；为…提供服务
overhand service
高手发球
take service with
在￥帮佣
express goods service
特快货运业务
We need to have the car serviced.
我们得把车送去检修一下了。
to service treasury Bonds
支付国债利息