harping on one string

• 老调重弹；反复写同一事件

harping on one string的用法和样例：

例句

1. You're always harping on the samestring.
   你总是老调重弹。
2. Now he's started on his hobbyhorse.
   现在他又开始老调重弹了。

词汇搭配

• harping on one string 老调重弹