What started as a well-conducted argument, soon developed into a slanging match.

开始时的正常辩论很快便发展成了互相谩骂。

But Wenger did not want to get drawn into a slanging match, saying: "I think nothing to say (in response) - I am free to shake hands with whom I want."

但是温格不希望被卷入口水战，他说：“我没啥要说的（作为回应），我想和谁握手是我的自由。”

Given the enormity of the US's deficit (the dotted line circle), it is little surprise that the debate on global imbalances has turned into a slanging match between the US and China.

考虑到美国面临的巨大赤字（虚线圈表示），有关全球失衡的的讨论转而成为中美之间的口舌之争有点令人惊讶。