come like a dog at a whistle

例句：

1. 1. The meeting is scheduled to start at2:00 pm.
   会议定于下午2点开始。
2. 2. Shecame to the party lastnight.
   她昨晚来了派对。
3. 3.He will come to the rescue when needed.
   他将在需要时前来援救。