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[00:13.19]conservative adj.保守的（modest cautious）
[00:17.52]A conservative estimate of the cost to repair the car is $100
[00:25.10]composed adj,沉着的
[00:29.92]composure n.镇静(calmness self-control)
[00:34.67]The irate customer lost his composure and yelled at the clerk
[00:41.73]prudent adj.谨慎的(cautious)
[00:45.91]vigilant adj.警惕着的 清醒的(watchful alert)
[00:50.75]The president's vigilant bodyguard immediately noticed the man with a gun
[00:57.35]hardheaded adj.冷静的
[01:02.84]sober adj.清醒的
[01:06.85]The drunk man is totally another one when sober
[01:11.61]discreet adj.慎重的，谨慎的（prudent cautious）
[01:16.98]You can tell Jane anything; she is very discreet
[01:22.17]discretion n.慎重(caution prudence）
[01:26.06]The decorator showed no discretion in her purchases for our new house, everything costing too much money
[01:34.35]circumspect adj.慎重的 小心的（prudent cautious）
[01:40.84]Never very cricumspect in expressing his views, Bill annoyed almost everyone at the party
[01:49.92]cautious adj.小心的 谨慎的
[01:55.11]Be cautious when you approach strangers
[01:59.94]meticulously adv.很仔细的(carefully scrupulously)
[02:04.31]The editor kept on checking spelling mistakes meticulously
[02:09.32]sanity n.神志清楚(saneness rationally)