impossible; unlikely; improbable
cannot be helped; unavoidable
cannot help (feeling); cannot hold back (tears, laughter, etc.)
very improbable; vanishingly unlikely; only with a miracle
cannot avoid doing; cannot help but (do); is compelled to do; (feel) obliged to (do); has to do
cannot help (doing); have no choice but to; am compelled to; am obliged to; it is incumbent upon (me) to
cannot avoid doing; cannot help but (do); is compelled to do; (feel) obliged to (do); has to do
cannot help (feeling); cannot hold back (tears, laughter, etc.)
cannot avoid doing; cannot help but (do); is compelled to do; (feel) obliged to (do); has to do
beyond one's comprehension; beyond one's grasp
cannot help (doing); have no choice but to
cannot be helped; unavoidable