He made marks with a pencil.

他用铅笔作了记号。

《柯林斯英汉双解大词典》

Marks in the roadway seem to indicate that he skidded taking a sharp turn.

从车道上的痕迹看，他似乎在急转弯时打滑了。

《柯林斯英汉双解大词典》

He was about six feet tall, with no distinguishing marks.

他身高约六英尺，没什么特别的记号。

《牛津词典》

Each 23 kilogram bag of oysters he receives has a tag that marks the area it came from.

VOA: standard.2010.05.08

And he has left blanks here, question marks here and says it is advantageous to put them in rows and to form a table.

他左边栏是空的，还有问号，他认为,将元素以行列排成一个表格是很有好处的。

麻省理工公开课 - 固态化学导论课程节选

But he says today's move marks an important step.

VOA: standard.2009.10.01

But he probably marks something greater.

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While he was giving Campbell CPR, he noticed black marks on her face, which he thinks might have been gunpowder, indicating she was very close to the blast.

CNN: Nurse: Boston bombing victim didn't die alone

He receives top marks from the American Conservative Union, National Right to Life Committee and the National Rifle Association (among other conservative lobby groups).

FORBES: Republican - Congressman, Colorado, 6thnd district