(1)安全，保障(freedom or protection from fear，anxiety，danger，etc，safety)[U]：job/financial～工作保障/收入保障;live aboard/cross a street in～安心在国外生活/放心穿过街道;be responsible for the～of the passengers on an aircraft负责飞机上乘客的安全;experience the～of a happy home;体验幸福家庭的安逸;have～of tenure/(a) pension/a stable family life 享有长期聘用/享有退休金保障/有稳定生活的安全感;The insurance policy gave the widow～. 保险单使这个寡妇有生活保障。〖同〗safety，support;

(2)(安全)措施(protection or defence against attack，spying，theft，escape，etc)[U]：funds for national～国防经费;tighten～against fraud 加强防诈骗措施;need～in the factory 工厂需要的安保措施;There has to be tight～during the President's visit.总统访问期间得严加保卫。a top/high/maximum～prison戒备森严的监狱;the S～Council安理会;～forces/measures/precautions治安部队/保安措施/防卫手段;a～guard/man 私人雇佣的保安人员/保卫人员;a～van保安车;a～risk 危险人物(分子);〖同〗protection，safety;

(3)抵押品;担保品(sth given as a pledge of repayment，fulfillment，etc)[C，U]：borrow money on/lend money without～凭抵押品借款/无抵押贷款;offer one's house/use hostage/give sb a gold watch/hold onto one's baggage as～以自己住房/用人质/凭一块金表/留下行李作为抵押;The～for a loan is poor.这贷款抵押品不值钱。〖同〗guarantee，assurance，pledge;

(4)(有价)证券(stocks or bonds)[pl]：railroad/government/negotiable～ies 铁路债券/政府公债/流通证券;He sold his～ies to finance his son's education. 他卖掉债券，资助儿子求学。

→se′cure adj & vt