abilities

n. power, capacity, capability; skill, talent, aptitude, mental skill or physical power of a person to do something

Ability may be:aptitudeability to payIntelligencephysical abilityskillexpertiseAbility may also refer to:Ability score, in role-playing gamesAbility Plus Software, makers of the office suite Ability OfficeAbility groupingABILITY MagazineAbility Magazine
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Noun
1. the quality of being able to perform; a quality that permits or facilitates achievement or accomplishment
(antonym) inability, unfitness
(hypernym) quality
(hyponym) adaptability
(attribute) able
2. possession of the qualities (especially mental qualities) required to do something or get something done; "danger heightened his powers of discrimination"
(synonym) power
(antonym) inability
(hypernym) cognition, knowledge, noesis
(hyponym) know-how
(attribute) able

(pl. )
of Ability
  

bu2 zi4 liang4 li4
Not being able to measure one's own strength
Said of someone who is not able to realistically estimate his own strength or ability. Compare with 以卵击石 (yi3 luan3 ji1 shi2).

cuo4 shou3 bu4 ji2
Not being able to manage.
To be caught unprepared.