缺陷

The inspection revealed severe shortcomings in our safety procedures.

Cosmetics do not always cover up the deficiencies of nature.

The bill contains serious flaws.

have a mental/an intellectual defect/deficiency; have a mental weakness; be mentally defective/deficient/handicapped; be defective in intelligence; with mental handicaps

deficiencies in the system

grave/glaring defect; great shortcoming

defect in sb's character

birth/innate defect

hearing defect/deficiency

eye defect

physical defect

point out sb's deficiencies/defects

cover up/hide one's deficiencies

remedy a defect/flaw

discover sb's deficiencies