Definition
加倍 (jiā bèi) as a verb means 'to double, redouble' and is the everyday word for intensifying an action (e.g., 加倍努力). It is less formal than 倍增 (used in set phrases like 信心倍增) and broader than 翻番 (only for numerical doubling). As an adverb meaning 'extra' (加倍小心), it modifies verbs/adjectives, unlike the adjective 额外 (e.g., 额外费用).
to doubleto redoubledoublyextra
Examples
- 加倍，。Zhège xuéqī tā jiā bèi le nǔlì, suǒyǐ chéngjì tígāo le.This semester he doubled his efforts, so his grades improved.
- 加倍。Xià yǔ tiān kāichē yào jiā bèi xiǎoxīn.On rainy days you need to be extra careful when driving.
- 加倍。Wǒmen jìhuà jiā bèi tóuzī lái kuòdà yèwù.We plan to double our investment to expand the business.
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