This Does Not Hold
Figuratively: This is meaningless. It has no validity whatsoever.
("Rabbi Akiva said: There is no sanctification that can be understood in the obligations of an enemy" - Sota 18b)
Translation
Expression (Hebrew)
זֶה לֹא תּוֹפֵס
Definition (Hebrew)
בְּהַשְׁאָלָה: זֶה חֲסַר מַשְׁמָעוּת. אֵין לוֹ כָּל תֹּקֶף.
("רַבִּי עֲקִיבָא הִיא, דְּאָמַר: אֵין קִדּוּשִׁין תּוֹפְסִין בְּחַיָּבֵי לָאוִין"- סוֹטָה יח ע"ב)