when opportunity knocks
phrase
: when a person gets the chance to do something he or she wants to do
You need to be ready when opportunity knocks.
Cite this Entry
“When opportunity knocks.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/when%20opportunity%20knocks. Accessed 12 Mar. 2026.
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