英和和英

an exhaustive study

an exhaustive study

a thorough study

an in‐depth study

to complete one's studies

thorough research

thoroughgoing research

to complete a course of study

general studies

general studies

general studies

profound studies

diligent study

a subject of study

a subject of study

extramural studies

concentrated study

exclusive studies

research-intensive

a close study

assiduous research

an integrated course of academic studies

meticulous research

a conscientious study

to make an exhaustive study of a subject

to make an exhaustive study of a subject

an intensive study of a subject

to go through a long course of study―make a long study of a subject

to go through a long course of study

empirical research