坚苦

rèn wù jiān kǔ

任务坚苦

arduous task

tā men zhèng zài wèi ào yùn huì ér jiān kǔ xùn liàn

他们正在为奥运会而坚苦训练。

They are in serious training for the Olympics.

tā zǒng shì gěi wǒ bāng zhù gǔ lì wǒ qù miàn duì jiān kǔ zhí dào wǒ qǔ dé chéng gōng

她总是给我帮助，鼓励我去面对坚苦，直到我取得成功。

She always does her best to help me and encourage me to face up to the difficulties of life, till I am successful.