tricky business的用法和样例：
例句
- My father opened a real can of worms when he took over the ailing company and tried to get it doing business again.
当我父亲接管一家处境困难的公司并试图重振业务时，他确实碰到了棘手的问题。 - It all adds up to a tricky business for the many home insurance companies who now offer their services in the marketplace.
它的所有添加到棘手的业务，为许多家庭保险的公司，现在谁提供服务，在市场上。
