All I could make out was a long, jagged line with some high plateaus.

我能看到的只有一条参差不齐的长线条，其中还有一些高的凸起。

youdao

Lightning cuts a jagged line through the evening sky.

闪电在夜空中割出一道锯齿状的线。

youdao

He forgot that he had severed himself from the past as by a sword, and that if he did manage to in some way reunite himself with it, the jagged line of separation and reunion would always show.

他忘记了他使自己和过去已经像是一刀两断，即使他能设法多少让自己和过去破镜重圆，也难免总要露出分离和重合的裂痕来。

youdao

Whatever her motivation, she finally caved and penned a jagged line down PR-184, marking an X in the middle of nowhere.

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The other a jagged line, like the edge of a steak knife.

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Obviously, the line looks jagged rather than straight up.

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