她在现实生活中是个腼腆而且不善社交的人。She was a shy and retiring person off-stage.不擅社交的人几乎不适合做外交家.The unsociable person is hardly fit for a diplomat.我也觉得你是十分开朗且喜欢社交的.I think you're reasonably cheerful and sociable as well....

“社交的”的英语可以翻译为：gregarious，sociable，social ...