[Interpretation] Diligent efforts; Tireless (diligence: diligence).
[Language] "Han Shu Dong Guan Lu Wei Story": "Lu Wei; The word uncle tomb; Profound and studious; I am tireless. "
[Pronunciation] No; It can't be pronounced "bú".
[shape discrimination] pieces; Can't write "change"
[near meaning] Forgetting to eat and sleep, taking pains, being angry and forgetting to eat, persevering.
Idle around eating all day.
[Usage] It has a positive meaning. Generally used as predicate and adverbial.
[structure] is more formal.
He lived for three years. Study hard; Of course, the academic performance is much better than others.
assiduously