step in

1. (intransitive)To act as a replacement or substitute.

   ersetzen, einspringen

   act as a substitute

2. (intransitive)To get involved; to act.

   get involved, so as to alter or hinder an action, or through force or threat of force

1. I knew Tom would step in.

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2. That's a step in the right direction.

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3. Let's look at each step in more detail.

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4. I guess this is a step in the right direction.

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5. I never want you to step foot in that bar again.

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irregular

• step upпропонувати, офіруватиTo increase, augment, or advance, especially by one or more steps.
• step outвийти, виходитиTo exit a place on foot, often for a short time.
• step onнаступати, наступитиTo adulterate (a drug) for the purpose of increasing its bulk, and therefore the profit when sold; to dilute, cut.
• step inзамінятиTo act as a replacement or substitute.
• step downйти, пітиUsed other than figuratively or idiomatically: see step, down.
• 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.
• step overTo relocate oneself to a position of a few steps away; step aside.