[Interpretation] Vomiting: Vomiting; Li: Didi. Metaphor is painstaking. Mostly used in literary and artistic creation or research. It also means to pour out the truth or embrace sincerity.

[Language] Tang Hanyu's poem "Returning to Pengcheng": "The liver thinks paper; The book is painful. "

[pronunciation] ouch; Cannot be pronounced "u"; Blood; You can't pronounce "xiě".

[Discrimination] Europe; Can't write "Lu"

rack one's brains

[antonym] Careless, shoddy

[Usage] It has a positive meaning. Mostly used in literary creation; It is also suitable for other mental work. Often used in predicate, attribute and adverbial.

[Structure] Combined type.

[Discrimination] ~ It is different from "seeking poverty": ~ It is mostly used for long-term or a period of work; The significance is heavy; "Search impoverished mind" is used in a short time; Light in the sense; Neutral; You can use both sides.

[Example] Teacher Li has successfully trained generations of national pillars.

strain every nerve