阴影 yīnyǐng shadow
(literally and fig.) shadow
How to remember 阴影: 阴 cloudy (weather) + 影 shadows = shadow.
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How it is used
- Both a literal shadow and an emotional/psychological shadow - 童年的阴影 (tóngnián de yīnyǐng) the shadow of one's childhood (lingering trauma).
- The figurative sense is very common: 心理阴影 (psychological scar), 留下阴影 (to leave a lasting shadow).
- Also a medical shadow on a scan (肺部阴影). Measure word 道 or 片.