A lower blow is the suggestion that Facebook may become like Yahoo, the once high-flying internet firm that plunged.

更low的一击是暗示脸书可能成为下一个雅虎，一家曾经非常成功而现在却没落的互联网公。

Putting him in with Haywire is a low blow, Deputy.

让Haywire和他关一起 是你故意整他。

You know, I love your mom, but that's a low blow.

我爱你妈 但这话过分了。