run up against
중상급 (B2) neutral
To suddenly find a big problem or person blocking what you're trying to do
"The reform project ran up against fierce resistance from senior management."
맥락에서 듣기
How artificial intelligence is reshaping college for students and professors
PBS NewsHour · 7:56
run up against or that their
Line Goes Up – The Problem With NFTs
Folding Ideas · 122:35
run up against a complication that the coders didn’t consider?