What does 转变 (zhuǎn biàn) mean in English?

Card 1269HSK 2010 Level 51269/1311
CARD1269
PROGRESS97%
转变
变變
zhuǎn biàn
change; transform; CL:個|个[ge4]

Reveal: Click/Space/Enter/↑↓/w/s/j/kNavigate: ←→/h/l/a/d