tip of the iceberg

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 catch 22 situation a catch-22 a delicate situation a dry run a fly in the ointment a hot potato a monkey on sb's back a one-two punch

جوهر المشكلة والعبء والاستجابة