凹凸不平 (āo tū bù píng) | Meaning: (idiom) uneven (surface); bumpy (road)

potholed and bumpy road (idiom); fig. full of disappointment and dashed hopes坎坷不平kǎn kě bù píng

concave or convex · bumps and holes · uneven (surface) · rugged凹凸āo tū

full of pits and hollows; bumpy坑坑洼洼kēng keng wā wā

rugged · craggy崎岖qí qū

at sixes and sevens · perturbed state of mind · in a mess七上八下qī shàng bā xià

(idiom) uneven (surface); bumpy (road)