раненный насмерть и на льва бросается(также: загнанная в угол крыса бросается на льва; Even the humblest will strike back if harassed or imposed upon too far. (The Oxford Dictionary of Proverbs) mikhailS)
у бабы волос долог, да ум короток(contrast: a woman's advice is no great thing, but he who won't take it is a fool. women in mischief are wiser than men. the wit of a woman is a great matter)
у бабы волос долог, а ум короток(contrast: a woman's advice is no great thing, but he who won't take it is a fool. women in mischief are wiser than men. the wit of a woman is a great matter)