at one stroke

at one stroke idiom
Also, at one blow; at a stroke or blow; in one stroke or blow. At the same time, with one forceful or quick action. For example, I managed to please both buyer and seller at one stroke. The first term is the older version, so used by Chaucer; at one blow was used by Shakespeare.

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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