step up

1. (идиома, переходный)To increase, augment, or advance, especially by one or more steps.

   Near-synonym: level up

   They will need to step up production if they are going to compete.

   нараститьnarastitʹ, поднажатьpodnažatʹ

   increase in extent or intensity

2. (идиома, непереходный)To assume or take responsibility.

   Won't anyone step up to the challenge?

   вызватьсяvyzvatʹsja, взятьсяvzjatʹsja

1. We need to step up our game.

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2. Tom needs to step up his game.

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3. Tom stepped up to the microphone.

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4. Tom stepped up to the podium.

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5. Security at the airport has been stepped up since the bomb scare.

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неправильный

• step upвзяться, нараститьTo increase, augment, or advance, especially by one or more steps.
• step outвыйти, выходитьTo exit a place on foot, often for a short time.
• step onтоптать, наступатьTo adulterate (a drug) for the purpose of increasing its bulk, and therefore the profit when sold; to dilute, cut.
• step inзаменить, заменятьTo act as a replacement or substitute.
• step downуйти с поста, уволитьсяUsed other than figuratively or idiomatically: see step, down.
• step forwardвыйти, выходитьTo take one or more steps forward, especially in response to a request for identification
• step offTo measure by steps or paces; hence, to divide (a space), or to form a series of marks, by successive measurements, as with dividers.
• step backUsed other than figuratively or idiomatically: see step, back.