牙痛吃什么药立刻止痛:give sth to the dogs 怎么分析得到这个解释？

俗话说，肉包子打狗，有去无回．你给了狗东西，狗吃着，就不会咬你了．
所以解释为 抛弃某物以求自保

＝＝＝＝＝＝＝＝
此外相关表达还有
things are going to the dogs. 每况愈下.
everything goes to the dogs. 一切都完了

go to the dogs：

if a country or an organization is going to the dogs, it is becoming less successful than it was in the past. They sat in the bar the night before the election, moaning that the country was going to the dogs. (usually in continuous tenses)

source:Cambridge International Dictionary of Idioms © Cambridge University Press 1998

go to the dogs：

to become worse in quality or character. He was a marvelous actor, but his drinking problems caused his career to go to the dogs. It is sad to report that this once first-class hotel has gone to the dogs.
Related vocabulary: go to pot

Source: Cambridge Dictionary of American Idioms © Cambridge University Press 2003

References in classic literature:
"It seems to me," he said deliberately, "that you are another of those poor fools who chuck away their life and happiness and go to the dogs because a woman had chosen to make a little use of them.

- The Malefactor by Oppenheim, E. Phillips

I wanted some thousands and you some hundreds, and without the money we were both in a fair way to go to the dogs together.

- The Woman in White by Collins, Wilkie

If the country doesn't go to the dogs or the Radicals, we shall have you Prime Minister, some day.

source: http://idioms.thefreedictionary.com/go+to+the+dogs

有条狗来追你，你扔下骨头，狗就只吃骨头，不来咬你了嘛，呵呵

从字面上翻译是把某个东西给狗儿们~~