协助 + Noun (work/effort) / 以 + 协助 + Object
协助 (xiézhù) means "to assist" or "to help" and is a formal synonym of 帮助. It is commonly used in official, professional, and news contexts, often describing organized support for rescue operations, investigations, or projects. The structure 以协助 means "in order to assist" and introduces a purpose clause.
警方请求市民协助调查这起案件。
Jǐngfāng qǐngqiú shìmín xiézhù diàochá zhè qǐ ànjiàn.
The police requested citizens to assist in investigating this case.
志愿者们赶到现场协助救援工作。
Zhìyuànzhěmen gǎn dào xiànchǎng xiézhù jiùyuán gōngzuò.
The volunteers rushed to the scene to assist with rescue efforts.
我们派了两名工程师去协助他们完成项目。
Wǒmen pài le liǎng míng gōngchéngshī qù xiézhù tāmen wánchéng xiàngmù.
We sent two engineers to assist them in completing the project.