Idiom:

Read between the lines ( understand the deeper meaning )


Hit the book:
Learning curve
Nitty gritty
Butler
Inherently
Batch
Recruit
Cater to
Bewildering
Joint venture
Hygiene

It's a steep learning curve for China's wannabe butlers.
Before they put on their white gloves and get down to the nitty gritty of table setting, suitcase packing and silver service, they must master what many might consider a more fundamental task.