震动 zhèndòng to shake
to shake; to vibrate; to strongly affect; shock; vibration
How to remember 震动: 震 shake + 动 move = to shake.
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How it is used
- To vibrate/shake, and figuratively to stir strongly - 手机调成震动 (shǒujī tiáo chéng zhèndòng) set the phone to vibrate; 消息震动全国 the news shook the nation.
- Both literal (physical vibration) and figurative (a strong emotional/social jolt).
- Contrast 振动 (zhèndòng, technical oscillation in physics) and 震撼 (a deep emotional shock) - 震动 spans physical shaking and broad impact.