1 according to the exact meaning, facts, etc 从严格意义来说；根据事实: Technically, you should pay by May 1st, but it doesn't matter if it's a few days late. 严格说来，你应该在5月1日之前付款，但迟几天也没关系。

2 in a way that involves detailed knowledge of the machines, etc that are used in industry or science 科技上；技术上: The country is technically not very advanced. 那个国家技术不很先进。

3 used about sb's practical ability in a particular activity （用于指专门技能）: He's a technically brilliant dancer. 他是个技艺高超的舞蹈演员。