at the door

• He was sentry at the door of a general .
  他在一位将军的门前站岗。
• They threw themselves at the door together .
  他们一齐向门撞去。
• Next minute they are at the door .
  再过一分钟他们就到大门口。
• At the door old grannis excused himself .
  走到房门口，葛莱尼斯老头就告辞了。
• Presently a timid knock was heard at the door .
  不久，听见有人在胆怯地敲门。
• Some man at the door is asking to see you .
  门口有人要见你。
• Please knock doubleknocks at the door before entering .
  请先敲两下门再进来。
• At the door tom dropped back a step .
  汤姆在门口落后一步。
• There was a very quiet knock at the door .
  有人轻声叩门。
• We were welcomed at the door by the children .
  我们一到门口，孩子就都来欢迎我们。