sharpen up
verb1
To become sharp (in all senses).
2
To make sharp (in all senses).
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
verb — 2 senses
To become sharp (in all senses).
To make sharp (in all senses).
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
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