to work hard and focus on something
努力工作并专注于某事 (nǔlì gōngzuò bìng zhuānzhù yú mǒushì)
"If you want to succeed, you have to put your nose to the grindstone."
"如果你想成功,你必须努力工作。" (Rúguǒ nǐ xiǎng chénggōng, nǐ bìxū nǔlì gōngzuò)
a conflict where both sides refuse to give up
extremely pleased or happy
to betray someone for personal gain
to become aware or informed about something
to make something or someone famous or well-known
the best among a group of people or things