The phrase "thoroughly learn" is correct and usable in written English.
You can use it when you want to indicate that someone has learned something in great detail or with a deep understanding. For example: He thoroughly learned the material before taking the exam.
"You really need to experience an actual cadaver to thoroughly learn anatomy," said Mr. Jung, who took a traditional anatomy lab last summer.
It was 1948 and the golden era of British weekly rep, in which actors had to deal with three plays in various states of preparation at once and could thoroughly learn their trade.
Don't make any major purchases for at least a year until you thoroughly learn the local culture, customs and business climate.
Supporters say it forces teachers to coach students through material until mastery, versus ending a lesson with a test, which a student may fail but not have an opportunity to thoroughly learn it at his own pace.
In my case, I had to subscribe to every industry publication, gain valuable advice from industry professionals and thoroughly learn the ins and outs from each and every one of our competitors.
Thoroughly learn the safety rules before going to a range and be sure to follow them at all times.
Ideally, they do not move on until they have thoroughly learned a topic.
Invest time in thoroughly learning your craft first, including all that boring stuff like punctuation and grammar.
Then, in graduate school, he took a few electives from the computer science department to ensure he had thoroughly learned the fundamentals of programming.
Practical clinical skills are essential requirements for physicians and should be thoroughly learned during medical school training.
This means knowing your sport thoroughly, learning about the tactics great players or participants in your sport have used in the years, sometimes decades, before your time in the sport, and always learning by observing during practice sessions, during games and events, and after your participation.
