He is not a wise man who cannot play dumb upon occasions.

不会在必要的情况下装傻的人，不是聪明人。

youdao

And there are others of which the strongest expressions are upon many occasions extremely graceful, even though the passions themselves do not, perhaps, arise so necessarily.

还有些激情，在很多场合下强烈地表达出来反而是非常得体合适的，尽管激情本身可能未必非常明显地表现出来。

youdao

He found by their example that their heads were not so good as their hands on such occasions; and therefore resolved to take upon himself the important commission.

他根据他们的例子发现在这种场合他们的脑子都没有他们手那么好用；因此觉得他自己来承担这个重要的任务。

youdao

It does not cease upon the occasions of leaving office or of discharge.

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