on cue

• 恰好在这时候

on cue的用法和样例：

例句

1. He said she will be back very soon and, right on cue, she walked in.
   他说她很快就回来，说着说着，她走进来了。
2. He said she would be back very soon and, right on cue, she walked in.
   他说她很快就回来，说著说著，她走进来了。