goi2 tin1 wun6 dei6改天換地改天换地

Jyutpinggoi2 tin1 wun6 dei6
Yalegói tīn wuhn deih

Definition

To transform heaven and earth; to bring about a monumental change in the world or nature.

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How it's used

This idiom carries a grand, ambitious tone often used in political or historical contexts to describe radical, sweeping changes. It implies a complete overhaul of the existing order or environment, making it sound much more dramatic than simple words like 改變 or 改革. You will frequently hear it in speeches or formal writing, though it can be used ironically in casual conversation to mock someone's overly optimistic or unrealistic plans.

Examples

They want to use technology to transform the world and change our lives.

Common phrases

to thoroughly transform the world

Common mistake

Learners often mistake this for a simple synonym of 'to change' or 'to improve'. Because it implies a total, earth-shattering transformation, using it for minor personal changes or small household adjustments sounds comically exaggerated and unnatural.

Grammar color guide

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