overkill

Yes, we need a new car, but this huge truck seems like overkill.我们确实需要一辆新车，但这辆大卡车似乎有点太大了。

The incident got blown out of proportion because of media overkill. [=the media gave it much more attention than it deserved]这件事由于媒体的过度关注而被无限放大了。