leave (one's or its) mark on (someone or something)(redirected from left its mark on them)
leave (one's or its) mark on (someone or something)
To have a lasting effect on someone or something. Casey's experience in theater really left its mark on her—she's much less shy these days. Mark's aggressive leadership style has really left its mark on the company.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
leave one's mark on someone
Fig. [for someone like a teacher] to affect the behavior and performance of another person. The wise professor left her mark on her students. My father left his mark on me, and I will always remember all his good advice.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
leave (or make) its (or your or a) markhave a lasting or significant effect.
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