坎坷不平

tā men de guān xi sì hū kǎn kě bù píng wēi jī bù duàn

他们的关系似乎坎坷不平，危机不断。

Their relationship seems to lurch from one crisis to the next.

zài zhuī qiú chéng míng de dào lù shang tā jīng lì le xǔ duō de kǎn kě bù píng

在追求成名的道路上，她经历了许多的坎坷不平。

She had suffered her own share of slings and arrows in the quest for publicity.