欠ける， 缺ける， 闕ける， かける
1. to chip, to be chipped, to break (off), to be damaged
2. to be missing (from a set, team, etc.), to be absent, to become lost
3. to be lacking (in), to be short (of), to be deficient, to be wanting (in)
4. to wane (of the moon), to go into eclipse...
碎裂，断裂（脱落），受损；缺席，走失；缺乏，不足，欠缺，缺少；月亏，月食