obstacle prevents

Gordian knot It's one thing after another! The show must go on. There's many a slip twixt cup and lip. There's the rub. Therein lies the rub. a Whale of a bill difference a bad patch a catch 22 situation a catch-22 a dead end a delicate situation a dry run a fly in the ointment a hammer blow

جوهر المشكلة والعبء والاستجابة