How common it is
为 appears often in everyday Chinese, so it is worth practicing early and reviewing often.
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Pronunciation focus
Say wèi slowly first, then repeat it in a short phrase. Listen for the tone shape.
Usage note
“为”字常用于表示目的或原因。例如，我们可以说‘我来帮你为的是让你开心’。
wèi zì cháng yòng yú biǎoshì mùdì huò gùyīn。rúkě wǒmen kěyǐ shuō ‘wǒ lái bāng nǐ wéi de shì ràng nǐ kāixīn’。
"为" is often used to indicate purpose or reason. For example, we can say 'I came to help you for the sake of making you happy.'
Context note
“为”字常出现在表示目的或原因的句子中，比如在描述帮助别人、工作职责等场合。
wèi zì cháng chū xiàn biǎoshì mùdì huò gùyīn de jùzi zhōng，bǐrú zài miáo shù bāngzhù běimei、gōngzuò zhuòzhí等 kǎoán。
"为" often appears in sentences indicating purpose or reason, such as when describing helping others and work responsibilities.
5 examples
我来帮你为的是让你开心。
wǒ lái bāng nǐ wèi de shì ràng nǐ kāi xīn。
I came to help you for the sake of making you happy.
他为公司工作。
tā wèi gōng sī gōng zuò。
He works for the company.
我为妈妈买礼物。
wǒ wèi mā ma mǎi lǐ wù。
I bought a gift for my mom.
他为朋友保密。
tā wèi péng yǒu bǎo mì。
He kept the secret for his friend.
我为学习努力。
wǒ wèi xué xí nǔ lì。
I study hard for learning.
5 mini stories
妈妈让我为她做家务。爸爸让我为他洗车。
mā ma ràng wǒ wèi tā zuò jiā wù。 bà ba ràng wǒ wèi tā xǐ chē。
Mom asked me to do housework for her. Dad asked me to wash the car for him.
老师为学生准备了丰富的课程。家长为孩子准备了美味的食物。
lǎo shī wèi xué shēng zhǔn bèi le fēng fù de kè chéng。 jiā zhǎng wèi hái zi zhǔn bèi le měi wèi de shí wù。
The teacher prepared rich courses for the students. The parents prepared delicious food for their children.
我为朋友庆祝生日。他为家人准备了晚餐。
wǒ wèi péng yǒu qìng zhù shēng rì。 tā wèi jiā rén zhǔn bèi le wǎn cān。
I celebrated my friend's birthday for him. He prepared dinner for his family.
为保护环境，我们应该减少使用塑料袋。为了健康，我们要多吃蔬菜水果。
wèi bǎo hù huán jìng， wǒ men yìng gāi jiǎn shǎo shǐ yòng sù liào dài。 wèi le jiàn kāng， wǒ men yào duō chī shū cài shuǐ guǒ。
To protect the environment, we should reduce the use of plastic bags. For health, we should eat more vegetables and fruits.
为完成作业，我必须努力学习。为了提高成绩，我们要认真复习。
wèi wán chéng zuò yè， wǒ bì xū nǔ lì xué xí。 wèi le tí gāo chéng jì， wǒ men yào rèn zhēn fù xí。
To finish the homework, I must study hard. To improve grades, we should review carefully.