1 [U] the state of feeling safe and being free from worry; protection against the difficulties of life 安全感;安稳;保障:
Children need the security of a stable home environment.孩子需要安稳的家庭环境。financial/job security经济╱工作保障 [OPP] insecurity 反义词为insecurity
2 [U] things that you do to protect sb/sth from attack, danger, thieves, etc 安全措施;保安措施:
Security was tightened at the airport before the president arrived.总统到达前,机场的保安措施加强了。The robbers were caught on the bank's security cameras.这几个窃贼给银行的保安摄像机录了下来。
3 [U] the section of a large company or organization that deals with the protection of buildings, equipment and staff (公司或机构的)保安部门:
If you see a suspicious bag, contact airport security immediately.如果看到一个可疑的袋子,请马上与机场的保安部门联系。
4 [C,U] something of value that you use when you borrow money. If you cannot pay the money back then you lose the thing you gave as security 抵押品
security/sIˋkjUrətI; sIˈkjʊərəti or sIˈkjʊərIti/n [U] 1 the things you do to keep someone or something safe from danger or crime 安保措施﹐安全工作: the man in charge of airport security 负责机场安全工作的那个人Security around the President has been tightened . 总统的安全措施加强了。security cameras 安保摄像机2 when you are not likely to lose something, or something is not likely to fail 保护﹔保障: People want job security . 人们希望有工作保障。financial security 经济保障3 a feeling of being safe, confident, and free from worries 安全感: Children need a sense of security. 儿童需要有安全感。4 something valuable that you promise to give to someone if you fail to pay back money you have borrowed 抵押品: You can use your house as security for the loan. 你可以用自己的房子抵押贷款。
securitysecuritysecuritiesnoun (no plural)1the feeling of being safe: Children need love and security.oppositeinsecurity2things that you do to keep a place safe: We need better security at airports.