需

这件事需你亲自处理。

Zhè jiàn shì xū nǐ qīnzì chǔlǐ.

This matter requires your personal handling.

如需帮助，请拨打服务热线。

Rú xū bāngzhù, qǐng bōdǎ fúwù rèxiàn.

If you need help, please call the service hotline.

完成这个项目还需一些时间。

Wánchéng zhège xiàngmù hái xū yīxiē shíjiān.

It still needs some time to complete this project.