To Think Twice

When you "think twice," you consider something carefully.
Example: Her father advised her to think twice before buying clothes instead of food.

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To Hold One's Tongue

When you "hold your tongue," you keep yourself from speaking.
Example: Even though Janet insulted her, Trixie held her tongue. She didn't want to make things worse.

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To show someone up

When you "show someone up," you embarrass them by doing better than them at a task.
Example: During the soccer game, Jessicac showed up the team captain by scoring te most goals.


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