crossing swords

• 剑之交锋

crossing swords的用法和样例：

例句

1. The chairman and I have cross sword before over this issue.
   我和主席以前曾经对这问题进行过辩论。
2. The chairman and I have crossed swords before over this issue.
   我和主席以前曾经对这问题进行过辩论。