have a lot on mind

have a lot on (one's) mind

To be mentally preoccupied with many things, often resulting in feelings of unease or agitation. I'm so sorry I made that stupid mistake—I've had a lot on my mind these days. Are you OK? You look like you have a lot on your mind.
See also: have, lot, mind, on
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

have a lot on one's mind

Fig. to have many things to worry about; to be preoccupied. I'm sorry that I'm so grouchy. I have a lot of troubles on my mind. He forgot to go to his appointment because he had a lot on his mind.
See also: have, lot, mind, on
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
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