Fight hard
Chinese idiom, Pinyin is f è NW ǔ y á NGW ē I, which means to inspire courage and exert power. From the romance of the Three Kingdoms.
The origin of Idioms
Chapter 110 of the romance of the Three Kingdoms: "fight hard, fight into the Wei army, fight left and fight right, and the Wei army is in chaos."
Idiom usage
The spirit of a man is divided among the three armed forces, big and small, to fight together. "Shenluanjiao · qiongzhui" by Li Yu in Qing Dynasty
Fight hard
the difference between heaven and earth - xiāo rǎng zhī bié
a pleasure which would cost one nothing - huì ér bù fèi
It's better to be strong than strong - biǎo zhuàng bù rú lǐ zhuàng
learn about customs and habits of the country one goes to - rù guó wèn sú