Jīngguò qiānxīnwànkǔ, tāmen zhōngyú dàodá le mùdìdì.
After enormous hardships, they finally reached their destination.
Tips
memory
Remember it as '1000 hardships (辛), 10,000 sufferings (苦).' 千 (thousand) and 万 (ten thousand) are hyperbolic numbers that appear in many Chinese idioms to mean 'countless.' 辛 and 苦 are near-synonyms both meaning hardship/bitterness.