他非常勤奋，几乎把所有空闲时间都用来学习。

He is very ___studious and spends almost all his free time studying.

她以专注的态度检查了报告的每一个细节。

She reviewed every detail of the report with ___studious attention.

他刻意避开眼神接触，让我感到不安。

His ___studious avoidance of eye contact made me feel uneasy.