Expressing wasted efforts with "bai"

Nível: HSK 5 | Categoria: Gramática

Explicação da Regra:

白 (bái) doesn't only mean "white." When added before a verb it means to do that verb "in vain" or "with no effect." All you have to do is put 白 before the verb. One important thing to note is that 白 is usually used with mono-syllabic words, like 做, 学, 跑, etc. You should put a 地 after 白. 白 + Verb + 了 白 can also be replaced with 白白 with basically the same meaning, although 白白 has a stronger emphasis on the "wasted effort." 白白 is also usually paired with a disyllabic verb, like 帮助, 准备, 学习 etc. Unlike 白, 白白 can be used with a 地.

Exemplos com Falantes Nativos:

• 白花了一百块钱，这件衣服不能穿。 (bái huā le yī bǎi kuài qián，zhè jiàn yīfú bù néng chuān 。): "Bai spent a hundred dollars, and this dress cannot be worn."
• 他不回来吃饭了？ (tā bù húilái chīfàn le ？): "He is not coming back for dinner?"
• 你一句汉语都不会说，白学了这么长时间。 (nǐ yī jù hànyǔ dū bù hùi shuō，bái xué le zhèyāo cháng shíjiān 。): "You can't speak a single sentence of Chinese. Bai has studied for so long."
• 我去的时候他不在家，所以我白跑了一趟。 (wǒ qù de shíhòu tā bù zài jiā， suǒyǐ wǒ bái pǎo le yī tàng 。): "He was not at home when I went, so I ran in vain."
• 不好意思，让你白忙了一个早上，我们老板今天来不了了。 (bùhǎoyìsī， ràng nǐ bái máng le yī gè zǎoshàng，wǒmen lǎobǎn jīntiān lái bùle le 。): "Sorry, let you busy in the morning, our boss can not come today."

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