ist ein gängiger deutscher Begriff.

#
foul your own nest
Definition, explanation of usage and examples of the idiom foul your own nest .
esl.about.com › Vocabulary › Idioms › F - Cached - Similar
#
foul own nest - Idioms - by the Free Dictionary, Thesaurus and ...
Definition of foul own nest in the Idioms Dictionary. foul own nest phrase. What does foul own nest expression mean? Definitions by the largest Idiom ...
idioms.thefreedictionary.com/foul+own+nest - Cached
#
foul nest - Idioms - by the Free Dictionary, Thesaurus and ...
(See also foul one's own nest.) I don't like my new neighbor. Not only does he never mow his lawn, he covers it with all kinds of trash. ...
idioms.thefreedictionary.com/foul+nest - Cached
Show more results from idioms.thefreedictionary.com
#
GoEnglish.com Idioms = "Foul One's Own Nest" = Today's English Idioms
"Foul One's Own Nest" (do something to ruin or damage one's home situation. ... Our goal for the lesson "Today's Idiom = Foul One's Own Nest" is for you to ...
www.goenglish.com/Idioms/Foul+One’s+Own+Nest.asp

Ja, scheint eine gebräuchliche idiomatische Wendung im Englischen zu sein. Bin auch kein native speaker, aber ich habe mal kurz gegoogelt: foul "own nest"

Super, das ging ja schnell. Vielen Dank, Werner und mad, für Eure hochkompetente und schnelle Hilfe!

http://idioms.thefreedictionary.com/foul+own+nest

foul one's own nest
Fig. to harm one's own interests; to bring disadvantage upon oneself. (Alludes to a bird excreting into its own nest. See also It's an ill bird that fouls its own nest.) He tried to discredit a fellow senator with the president, but just succeeded in fouling his own nest. The boss really dislikes Mary. She certainly fouled her own nest when she spread those rumors about him.

I would say it's comparatively rare, literary, old fashioned.

Agree w/ 4 (I think!) It's not really said and/or contemporary.

Alt.:
-- should we mar our record ...
-- should we taint our tradition ...
-- should we allow a woman into the fold ...

Also, not great, but I would not use "...nest..." in this context.

Das Englische soll doch hier nicht in Frage gestellt werden. Wenn's der Professor so sagen will, sei's ihm doch gestattet, denk' ich.