He noticed at once that discipline was slack: the Danes had the self-confidence of conquerors, and their security precautions were casual.
他马上发现丹麦军纪律松弛，他们以征服者自居，安全措施马马虎虎。
新概念英语第四册
Lesson 9 Royal espionage
📚 句中词汇解析
从本句中提取的重要词汇
adv. 一次，一趟;一倍;曾经;一旦;
conj. 一旦…就…;一经;
n. 一次，一回;
💡 on=one一+ce次 → 一次
"Once in the bloodstream, the bacteria adhere to the surface of the red cells."
细菌一进入血液里，就附着在红细胞表面上。
近义：heretofore, occasionally, onetime, previously, sometimes, thereinbefore
vt. 训练;使有纪律;处罚;使有条理;
n. 训练;纪律;学科;符合行为准则的行为（或举止）;
💡 discipl=disciple门徒，学徒+ine表名词，人或物 → 门徒必须听说 → 纪律
"She needs the discipline of having to write an essay every week."
她需要进行每周写一篇文章的训练.
近义：penalise, penalize, punish, sanction, chastise, illustrate
反义：pander, pimp, miseducate, overindulge, pamper, pet
n. 信心;信任;秘密;
adj. 骗得信任的;欺诈的;
💡 con全部+fid相信，信念+ence名词后缀 →自信，信任
"She always has an aura of confidence."
她总是满有信心的样子。
近义：hope, reliance, trust, trustfulness, expectation, expectations
反义：misgiving, mistrust, suspicion, suspiciousness, disbelief, doubtfulness
n. 安全;保证，担保;保护，防护;有价证券;
adj. 安全的，保安的，保密的;
💡 se分开+cur关心+ity抽象名词，性质状态 → 安全；证券
"In a world that had suddenly become alien and dangerous, he was her only security."
在一个突然变得陌生而危险的世界里，他是她唯一的守护神。
近义：prevention, safety, care, protection, safeguard, safeness
adj. 偶然的;临时的;随便的;非正式的;
n. 临时工人;[军]待命士兵;没有固定工作的劳动者;不定期领取救济金的人;
💡 cas落下+ual...的→突然降临的，不是安排好的→偶然的
"It was just a casual remark—I wasn't really serious."
我只是随便说说，并不当真。
近义：sport, inadvertent, incidental, lucky, occasional, possible
反义：predicted, provided