镇定 zhèndìng calm
calm; unperturbed; cool
How to remember 镇定: 镇 calm + 定 decide = calm.
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How it is used
- 'Calm, composed, cool-headed' under pressure - 保持镇定 (bǎochí zhèndìng) stay calm; 神情镇定 (shénqíng zhèndìng) a composed expression.
- Emphasizes steadiness of nerve in an emergency/crisis; also a verb - 镇定情绪 steady oneself.
- Near-synonym 镇静 (zhènjìng): 镇定 leans toward outward composure/resolve, 镇静 toward inner calm.