to guide sb through sth
+ process, complexities指导;指引
You need an expert to guide you through the process.你需要一个专家指引你完成整个过程。
A free helpline has been set up to guide businessmen through the maze of government and EU grants.为帮助商务人士处理纷繁复杂的政府与欧盟拨款事宜而开通了一条免费服务热线。