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to chip; to nick; to break; to crack
to lack
茶碗の縁を闕いてしまって残念だった。
I was disappointed to chip the rim of the teacup.
栄養が闕けると体調を崩しやすくなる。
You're more likely to get sick if you lack nutrition.
角を闕いた石が道端に転がっていた。
A stone with a chipped corner was lying by the road.