studied
adjective uk/ˈstʌd.id/ us/ˈstʌd.id/
审慎的;刻意的，有意的;精心安排的
very carefully and intentionally done, made, or considered, rather than in a completely honest or sincere way
After a pause, he gave a studied answer. 他停顿了一下，给了一个审慎的回答。
She listened to his remarks with studied indifference. 她装作漫不经心地听着他的话。