"总经理助理" in English can be translated as:
General Manager's Assistant or Executive Assistant
Depending on the context, you could also use:
- Chief Executive Officer's Assistant
- Executive Secretary
- Chief Operating Officer's Assistant
If you're referring to a specific role within a company, it might be more precise to use the title of the person, such as:
- Xiao Wang, General Manager's Assistant
- Xiao Li, Executive Assistant
Let me know if you need a specific context!