This thing isn't occasional.

He made occasional visits to London.

他有时候会去伦敦。

There may be the occasional criticism but it's clear there is no raging debate right now.

可能偶尔会有批评，但现在显然没有出现激烈的辩论。

They had an occasional coffee together after shopping.

他们偶尔会在购物后一起喝杯咖啡。

He only has occasional use of a car.

他只是偶尔用一下汽车。

The occasional failed project or neglected opportunity does not jeopardized overall progress.

偶然失败的项目或失误的机会并没有影响总的进展.

You can even snatch a few hours off, and perhaps negotiate the occasional night off too.

你甚至可以抽空休息几小时，商量一下的话没准还能偶尔不用上晚班。

an occasional smoker (= a person who smokes, but not often)

偶尔吸烟的人

That sort of thing is quite occasional and not regular.

那种事十分偶然,没有规律.

I've had occasional mild headaches all my life...

间或发作的轻微头疼困扰了我一辈子。

What fears their absence might have occasioned already!

他们的失踪究竟要造成什么样的后果呀!

This may have been occasioned by the early use of faulty analytical techniques.

这可能由于早期不完善的分析技术所造成的.

Pity is occasioned by undeserved misfortune and fear by the suffering of one like ourselves.

只有当剧中人物像我们一样受了不应受的苦,经历了恐惧和痛苦,人们才会同情、恐惧.

His rude behavior occasioned a quarrel.

他的无礼行为引起了一场争吵.

Your behaviour has occasioned us a lot of trouble.

你的行为给我们引起很多麻烦.

Stephen's behaviour occasioned his parents much anxiety.

斯蒂芬的行为使其父母十分担心.

His queer behaviour occasioned a good deal of talk.

他的古怪行为引起众多的谈论.

The remark occasioned a burst of applause.

这番话激起一阵掌声.

Who occasioned his anger?

谁惹他生气?

The clock paradox has occasioned lively controversy for over 50 years.

时钟疑题曾经历了50年的激烈争论.

What occasioned such an angry response?

何故引起如此愤怒的反应?