词典释义：
fixed or fastened so as not to give way, become loose, or be lost
牢固的；结实的
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check to ensure that all nuts and bolts are secure .检查并确保所有螺帽和螺栓都拧紧了。
not subject to threat; certain to remain or continue safe and unharmed
无威胁的；安全的
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they are working to ensure that their market share remains secure against competition .他们正在努力确保市场份额不受竞争的威胁。
protected against attack or other criminal activity
安全的，无危险的
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the official said that no airport could be totally secure .那名官员说任何机场都不可能绝对安全。
(of a place of detention)having provisions against the escape of inmates
（拘留地）防范严密的；逃不了的
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a secure unit for young offenders .防范严密的少年犯看守所。
feeling safe, stable, and free from fear or anxiety
安全的；放心的；不担惊受怕的
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everyone needs to have a home and to feel secure and wanted .人人都需要有一个家，都需要有安全感和被需要的感觉。
[ predic.](
〈旧〉 有把握的，胜券在握的
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she remained poised and complacent, secure of admiration .她泰然自若，得意扬扬，感觉一定能赢得赞羡。
fix or attach (something) firmly so that it cannot be moved or lost
固定，系牢
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pins secure the handle to the main body .固定销把手柄牢牢地固定在主体上。
make (a door or container) hard to open; fasten or lock
将（门）关紧；将（容器口）封牢；拴紧；锁上
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doors are likely to be well secured at night .夜里门可能被关得严严实实。
protect against threats; make safe
保护；使安全
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the government is concerned to secure the economy against too much foreign ownership .政府十分注意防止过多外资所有权对本国经济的威胁。
succeed in obtaining (something), especially with difficulty
（尤指好不容易）弄到，获得
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the division secured a major contract .该部门赢得了一份大额合同。
seek to guarantee repayment of (a loan) by having a right to take possession of an asset in the event of non-payment
为（贷款）作担保
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a loan secured on your home .用你的住房担保的贷款。
【外科】 压迫（血管）止血。
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secure arms Military hold a rifle with the muzzle downward and the lock in the armpit to guard it from rain【军】 （为防雨）挟枪
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secure sth with sth 将…与…固定
真题例句：
"mid 16th cent. （in the sense ‘feeling no apprehension’）： from Latin
