step up

/stɛp ʌp/· phrasal verb

科技/AIB1

step up
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Chinese meaning

加jiā强qiáng;提tí升shēng

逐zhú步bù加jiā强qiáng;主zhǔ动dòng承chéng担dān

In this story →

加jiā强qiáng抵dǐ御yù网wǎng络luò攻gōng击jī的de防fáng护hù

Example

Security experts said companies developing powerful AI should step up protections against cyberattacks.

安ān全quán专zhuān家jiā表biǎo示shì,开kāi发fā强qiáng大dà人rén工gōng智zhì能néng的de公gōng司sī应yīng该gāi加jiā强qiáng抵dǐ御yù网wǎng络luò攻gōng击jī的de防fáng护hù。

Source: The Washington Post · 20 Sep 2026

Background ✎

黑hēi客kè曾céng入rù侵qīnOpenAI系xì统tǒng,暴bào露lù出chūAI行háng业yè普pǔ遍biàn存cún在zài的de安ān全quán漏lòu洞dòng。安ān全quán专zhuān家jiā因yīn此cǐ警jǐng告gào,开kāi发fā强qiáng大dà人rén工gōng智zhì能néng的de公gōng司sī必bì须xū加jiā强qiáng网wǎng络luò攻gōng击jī防fáng护hù。

Roots · etymology

step 源自古英语 stæpe(脚步),up 表方向增强

  • step(步子)+ up(向上):动作+方向,合成短语动词

Collocations

  • step up efforts / step up security / step up protections

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