watch over

watch over idiom
Guard for protection or safekeeping, as in There were only two aides watching over that large group of children. This idiom was first recorded in 1526.

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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