studied
v. 学习；端详；研究；求学；记住（或背下）台词；仔细考虑；尽力取得（结果）（study 的过去式及过去分词）
adj. 深思熟虑的；博学的；刻意的；精心策划的；装模作样的
例句
This case has been intensively studied.
对这一个案已进行深入研究。
《牛津词典》
He studied law.
他学习法学。
《柯林斯英汉双解大词典》
He studied conscientiously and enthusiastically.
他认真积极地学习。
