落差 luòchā drop in elevation
drop in elevation; (figuratively) gap (in wages, expectations etc); disparity
怎么记住“落差”: 落 fall + 差 differ from = drop in elevation.
汉字
用法
- Literal drop in height (water, terrain) - 瀑布落差很大 (pùbù luòchā hěn dà) the waterfall has a big drop.
- Very common figuratively for a gap between expectation and reality - 心理落差 (xīnlǐ luòchā) the emotional letdown/disparity, e.g. when reality falls short of hopes.
- The figurative use specifically implies a downward gap (things being worse than expected), unlike neutral 差距 (chājù, gap).