Strive to work or struggle under difficult and difficult conditions.

[Language] Mao Zedong's "Strategic Issues in China Revolutionary War" Chapter 2: "Without the hard struggle of the China * * * production party for 50 years; It is impossible to save the new danger of national subjugation. "

[Pronunciation] Fight; It can't be pronounced "dǒu".

[shape discrimination] is difficult; Can't write "hard".

Hard work, diligence and self-reliance

[antonym] Have fun.

[Usage] Describe a person's ability to bear hardships and stand hard work. Also used as an exhortation. Generally used as predicate, object and attribute.

[structure] is more formal.

We should inherit the glorious tradition of the older generation of proletarian revolutionaries.