call set up

例句：

1. 1. He called me at the airport to say he'd arrived safely.
   他在机场给我打电话说他已安全到达。
2. 2. She called him back immediately after she hung up.
   她挂断电话后立刻给他回拨。
3. 3. I called my friend to check on her condition.
   我打电话给我的朋友了解她的病情。