开启 kāiqǐ to start
to start; to begin; to initiate (an era, process, journey etc); (computing) to enable (a feature); (of a system or device) to start operating automatically; to self-initiate; to open (something that has been sealed)
How to remember 开启: 开 open + 启 to open = to start.
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How it is used
- To open / initiate - often figurative for beginning an era or process: 开启新篇章 (kāiqǐ xīn piānzhāng) to begin a new chapter, 开启旅程 (embark on a journey).
- More formal and elevated than 打开 (dǎkāi, to open physically); also 'enable/turn on' a feature in tech.
- Speeches, product launches, and formal writing.