Someone or something that is scruffy is dirty and untidy.
①His scruffy appearance does not reflect his character.
②I feel a bit self-conscious parking my scruffy old car.
③Despite her scruffy clothes, there was an air of sophistication about her.
Matt Haig的新书 The Midnight Library 也出现了这个表达：
To increase something such as a rate or level, especially the rate at which goods are produced.
①We’ve had to ramp up production to meet demand.
②The United States has ramped up its response.
③It takes time to begin or ramp up production.
China Daily 的一篇文章 Mutual respect urged in China-US ties 也出现了这个表达：
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