There is serious sporadic violence between marchers and police.

游行者和警察偶尔会发生严重的暴力事件。

Sporadic battles scared all residents.

断断续续的战斗使得所有居民害怕不已。

After the car accident, he suffered from sporadic amnesia.

车祸后，他患上了阵发性失忆症。

More than 100 people have been killed this year in sporadic outbursts of ethnic violence.

今年有超过100人在零星爆发的种族暴力中丧生

Her attendance in school was sporadic.

她在学校的出勤率很低。

Mikael's progress is sporadic.

米凯尔的进步是零星的。

Exercise was sporadic and mild.

他们的锻炼是零星而温和的。

Sporadic fighting continues.

零星战斗仍在持续。

And progress so far has been sporadic.

而目前的进度还是断断续续的。