取而代之 qǔ’érdàizhī to replace
(idiom) to replace; to supersede; to take its (or her etc) place
How to remember 取而代之: 取 acquire + 而 and yet + 代 era + 之 of = to replace.
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How it is used
- An idiom: 'to replace / take the place of (something ousted)' - 新技术取而代之 (new technology supplanted it).
- Implies one thing pushing out and stepping into the position of another; often about succession or displacement. The 之 refers back to what's being replaced.