foible

His foible met the flash of the other man's forte, and his blade bounced aside like a sprung bow.

Il ne suffit pas de dire que l'esprit est foible, il faut lui faire sentir ses foiblesses.

Emancipation is all a delusion, a foible, a fantasy, an idle dream!

Judith consented to consult her; Mary soon found out the foible of the poor woman.

And now and then a human foible might be recorded by the stonemason without risk of undermining society's foundations.