坎

pit / threshold / one of the Eight Trigrams 八卦[ba1 gua4], symbolizing water / ☵

old variant of 坎[kan3] / pit / hole

Tu (ethnic group) / surname Tu

earth / dust / clay / local / indigenous / crude opium / unsophisticated / one of the eight categories of ancient musical instruments 八音[ba1 yin1]

to owe / to lack / (literary) to be deficient in / (bound form) yawn / to raise slightly (a part of one's body)

bumpy (of a road) / rough (of life) / to be down on one's luck / to be full of frustrations and dashed hopes

critical juncture / key moment

potholed and bumpy road (idiom); fig. full of disappointment and dashed hopes

karez, qanat or "horizontal well" (irrigation and water management system used in Xinjiang, Central Asia and Middle East)

(dialect) just now

full of trouble and misfortune (usu. referring to someone's life)

Cannes, France (Tw)

to meet with misfortune

to have a tough life / to meet much adversity in one's life

earthen levee

erhua variant of 土坎[tu3 kan3]