Data collection is meagre and infrequent.

因为这些数据收集得很少，开展频率也很低。

People complained that buses were late and infrequent.

人们抱怨公共汽车晚点且不频繁。

Solar eclipses are relatively infrequent, occurring two to five times a year.

日食发生的频率相对较低，每年发生 2 到 5 次。

More than 60% of Central Asia has a dry climate with infrequent rainfall.

超过60%的中亚地区气候干燥，降雨量小。

Errors in the reporting of such infrequent crimes have a huge effect on the headline figure.

这些犯罪发生几率不大，相关报道中出现的错误会极大地影响到最后公布到新闻媒体上的数字。

If I say something happens " once in a blue moon, " it is uncommon, infrequent, rare.

如果我说某件事" once in a blue moon" ，那它就是不常见的，很少发生的，罕见的。

It's a high poverty community, low graduation rates, high crime, infrequent opportunities for science or nature access.

这个非常贫困的地区有着极低的就业率、很高的犯罪率、因此对科学及自然的追求自然十分贫乏。

The men rode and ran by turn, and the dogs were kept on the jump, with but infrequent stoppages.

那两个人轮流驾橇和跑路, 狗队则一直在奔跑, 有时停脚歇一会儿。

And the talk, still infrequent, seemed to be hampered by the fullness of the mouths.

谈话，仍然很少见，似乎被嘴巴塞得满满的。

Chances to see Ashley alone were all too infrequent these days. And to think that Melanie had asked her to hold him!

可是你想，媚兰居然请她把他留住呢？这太有意思了。