保障

to ensure / to guarantee / to safeguard

Bulgaria / Bulgarian / abbr. for 保加利亞|保加利亚[Bao3 jia1 li4 ya4]

to defend; to protect; to keep / to guarantee; to ensure / civil administration unit in the baojia 保甲[bao3 jia3] system (old)

to block / to hinder / to obstruct

social security

safeguards

quality assurance (QA)