An occasional use of sleep AIDS may help get you to sleep if you are having trouble on a particular occasion.

个别某个情况下，你在睡觉上遇到了困难，那么偶然用睡眠辅助性药物也许会帮助你睡觉。

youdao

What he actually says on a particular occasion to particular individual is what he has selected from among the many possible things he could have said.

他在某个特定场合对某个特定的人说出的话只是他早已从自己本可以说出来的许多话中挑选出来的。

youdao

It is probable that there had long been a dread lurking inhis mind, that those associations would be recalled- say, undercertain circumstances- say, on a particular occasion.

他心里很可能有一种长期隐藏的恐惧，他惧怕回忆起有关的问题。 比如某种环境，或是某个特定的时期。

youdao

And I think that is a useful exercise almost on any occasion, but in particular on this occasion.

WHITEHOUSE: Press Briefing

IR You have missed out an occasion when Britain's economists aligned themselves behind a particular view on policy.

ECONOMIST: Responsible NATO

But, in pushing through necessary supply-side reforms in taxes, regulations, and capital and labour markets, he faces opposition from within his own party, from trade unions, from a varied array of professional lobbies, and even on occasion from business groups that are threatened by particular changes.

ECONOMIST: Anglo-German relations: Crumbs from Blair’s table | The