碰上

encounter; run into; come across; bump into; meet with; hit; face

麻烦

trouble; problem; mess; upset; inconvenience; bother; headache; annoyance; hassle; difficulty; nuisance; fuss; performance; palaver; woe; snag; troublesome; inconvenient; difficult; pesky; uncomfortable; ail; cause trouble; be a bother; be a nuisance; go to the trouble