1. 了解：exposed 接触 | gain an insight into 了解 | scale down 缩减

2. 了解, 熟悉; 看透, 识破：insight n. 洞察力, 见识(常与into连用) | gain an insight into 了解, 熟悉; 看透, 识破 | have an insight into 了解, 熟悉; 看透, 识破

3. 洞悉：in the context of current events 在时事情境中 | gain an insight into 洞悉 | common sense 常识