see (one) across (something or some place)
To escort or accompany one from one side of something or some place to the other. Sally offered to see me across the creaky rope bridge, because I was too scared to go by myself. The police officer stopped traffic so the teacher could see the child across the street safely.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
see someone across something
to accompany someone across a dangerous area. Paul saw his mother across the field, which contained a number of hazards. Timmy offered to see the elderly lady across the street.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.