Accordingly, under which: theo đó
accordingly
Pattern: [rule or plan]. Theo đó, [detail]
B2 · estimateformalwritten
Typed without accents: theo do
Theo đó opens a sentence that spells out the details of a rule, plan or decision just mentioned. Literally "according to that", it works like "under it" or "under the new rules": Bộ Y tế vừa ban hành hướng dẫn mới. Theo đó, người bệnh có thể khám từ xa. The Ministry of Health has just issued new guidance. Under it, patients can see a doctor remotely.
It's one of the most common openers in Vietnamese news. A typical report states the decision in its first sentence, starts the second with Theo đó, and then lists what changes: who is affected, from when, how much.
Less often, it means "accordingly, as a result", when what follows comes from what came before: Giá nguyên liệu tăng, theo đó giá bán cũng tăng. Raw material prices rose, and selling prices rose accordingly.
Plain theo + a source means "according to": theo Bộ Y tế (according to the Ministry of Health). Theo đó names no source. It points back to the document or plan just mentioned and says "here is what it contains".
You meet it in news, government announcements and the explainers that follow a new law. In conversation, people don't use it; they go straight to the details: Có quy định mới rồi, từ tháng sau phải … There's a new rule: from next month you have to …
Examples
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UBND thành phố vừa điều chỉnh giá vé xe buýt. Theo đó, vé lượt tăng từ 7.000 lên 8.000 đồng.
The city has just adjusted bus fares. Under the change, a single ticket goes up from 7,000 to 8,000 đồng.
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Theo đó, người lao động được nghỉ thêm một ngày vào dịp Quốc khánh.
Under the decision, workers get an extra day off for National Day.
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Theo đó, các trường không được thu bất kỳ khoản phí nào ngoài danh mục đã công bố.
Under the rule, schools may not charge any fee beyond the published list.
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Giá nguyên liệu tăng mạnh, theo đó giá bán lẻ cũng được điều chỉnh tăng.
Raw material prices rose sharply, and retail prices were raised accordingly.