Definition
火速 (huǒ sù) means 'at top speed' with a strong sense of urgency and immediate action, often in response to an order or emergency. 飞速 (fēi sù) is more general, meaning 'at lightning speed' without the same urgency. 火速 is more formal and implies a command or critical situation.
adverb
at top speedwith utmost urgencyto act immediately upon receiving an order
Examples
- 火速。Jǐngchá jiēdào bàojǐng hòu huǒ sù gǎndào xiànchǎng.The police rushed to the scene at top speed after receiving the call.
- 火速。Tāmen huǒ sù wánchéng le jǐnjí rènwu.They completed the urgent task with utmost speed.
- 火速。Gōngsī huǒ sù fābù le xīn chǎnpǐn xìnxī.The company rapidly released information about the new product.
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