mark out

verb

The construction workers marked out the boundaries of the building site.

意味（1）

(transitive) to set the boundaries of an area

意味（2）

(transitive) to classify

I don't want to be marked out as a failure.

意味（3）

(transitive) to obliterate or cancel with a mark

to mark out an item in an account

意味（4）

(transitive) to distinguish

The killing of more than 90 journalists in Iraq in 43 months after the invasion was to mark it out as one of the deadliest conflicts to cover.