Certain (比较级：more certain,最高级：most certain)
adj.某一；必然的；已确定的
pron.[动词用复数]某些

We are not certain whether the appendix had already burst or not...
我们不敢肯定阑尾是否已经破裂。
It's not certain they'll accept the Front's candidate if he wins...
即便来自阵线的候选人获胜，他们能否接受他还说不准。
One thing is certain, both have the utmost respect for each other...
有一点可以肯定，那就是双方都非常尊重对方。
She couldn't know what time he'd go, or even for certain that he'd go at all...
她不知道他何时走，就连他到底走不走都说不准。
He had been there four times to my certain knowledge.
我确定他去过那儿4次。

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Mental
adj.内心的，精神的，思想的，心理的；智慧的，智[脑]力的；〈口〉精神病的，意志薄弱的，愚笨的
n.精神病患者

Physically I might not have been overseas but mentally and spiritually I was with them.
虽然我人不在国外，可是从精神和心灵上，我和他们是在一起的。
The mental state that had created her psychosis was no longer present.
导致她精神失常的那种心理状态已经消失了。
Practise mental arithmetic when you go out shopping...
外出购物的时候练习一下心算。

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Virtuous
adj.有道德的，有德行的；善良的；贞洁的；有效力的

Louis was shown as an intelligent, courageous and virtuous family man.
路易斯在人们眼里是一个智慧、勇敢、品德高尚的顾家男人。
I cleaned the flat, which left me feeling virtuous.
我打扫了整个公寓，这让我觉得自己很了不起。
'I've already done that,' said Ronnie virtuously.
“我已经把它做完了，”罗尼得意地说道。

剧情百科

Sherlock与John开始携手解决这位被神秘男人监视的禁卫士兵提出的案件，不过一开始Sherlock就抛弃John，单独诡异地行动起来，他乔装打扮混进了禁卫兵兵营。而John却以上尉的身份想获得士兵上司的配合，结果却是吃了个闭门羹！不过意外来了，这位委托员士兵却是再浴室里离奇死亡。

考考你 Q&A
Q: Please use the word or phrase you just learnt to complete the sentence beblow.

1.I lived in terror of her sudden _____ and moods.
她的任性妄为和喜怒无常让我整天提心吊胆。
2.Stapel's _____ is to be dutch.
斯塔佩尔的不幸在于他是荷兰人。

A:本期答案见下期
上期答案：

1.The transparent timetable worked like a turbocharger on a beetle.
这个透明的时间表就像是甲壳虫轿车的涡轮增压器。
2.Brazil need to beat Uruguay to be certain of a place in the finals...
巴西必须击败乌拉圭才能确保进入决赛。