He noticed at once that discipline was slack: the Danes had the self-confidence of conquerors, and their security precautions were casual.
他馬上發現丹麥軍紀律松弛，他們以征服者自居，安全措施馬馬虎虎。
新概念英語第四冊
Lesson 9 Royal espionage
?? 句中詞匯解析
從本句中提取的重要詞匯
adv. 一次，一趟;一倍;曾經;一旦;
conj. 一旦…就…;一經;
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."
細菌一進入血液里，就附著在紅細胞表面上。
近義：heretofore, occasionally, onetime, previously, sometimes, thereinbefore
vt. 訓練;使有紀律;處罰;使有條理;
n. 訓練;紀律;學科;符合行為準則的行為（或舉止）;
?? discipl=disciple門徒，學徒+ine表名詞，人或物 → 門徒必須聽說 → 紀律
"She needs the discipline of having to write an essay every week."
她需要進行每周寫一篇文章的訓練.
近義：penalise, penalize, punish, sanction, chastise, illustrate
反義：pander, pimp, miseducate, overindulge, pamper, pet
n. 信心;信任;秘密;
adj. 騙得信任的;欺詐的;
?? con全部+fid相信，信念+ence名詞后綴 →自信，信任
"She always has an aura of confidence."
她總是滿有信心的樣子。
近義：hope, reliance, trust, trustfulness, expectation, expectations
反義：misgiving, mistrust, suspicion, suspiciousness, disbelief, doubtfulness
n. 安全;保證，擔保;保護，防護;有價證券;
adj. 安全的，保安的，保密的;
?? se分開+cur關心+ity抽象名詞，性質狀態 → 安全；證券
"In a world that had suddenly become alien and dangerous, he was her only security."
在一個突然變得陌生而危險的世界里，他是她唯一的守護神。
近義：prevention, safety, care, protection, safeguard, safeness
adj. 偶然的;臨時的;隨便的;非正式的;
n. 臨時工人;[軍]待命士兵;沒有固定工作的勞動者;不定期領取救濟金的人;
?? cas落下+ual...的→突然降臨的，不是安排好的→偶然的
"It was just a casual remark—I wasn't really serious."
我只是隨便說說，并不當真。
近義：sport, inadvertent, incidental, lucky, occasional, possible
反義：predicted, provided