The distant thunder from the coast continued sporadically.

远处海岸仍然零星地传来雷声。

《柯林斯英汉双解大词典》

She attended lectures only sporadically.

她只是偶尔听听课。

《牛津词典》

Fighting continued sporadically for two months.

战斗断断续续地进行了两个月。

《牛津词典》

The call is an apparent challenge to Israel, which has brought in thousands of additional police to prevent clashes like the ones that have broken out sporadically in the city during the past two weeks.

VOA: standard.2009.10.08

Trouble over coca eradication has already claimed a few lives, sporadically, on both sides.

ECONOMIST: Bolivia goes to war against coca

Both communities now make do with inadequate and polluting diesel generators that operate sporadically, the UN says.

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