How to Use which is which in a Sentence

which is which

phrase

• The wisdom is in knowing which is which.
  — Andrew Filev, Fortune, 30 Aug. 2025
• Doesn’t matter to me which is which, so long as the rally can continue.
  — Josh Brown,sean Russo, CNBC, 12 Mar. 2026
• The real skill is knowing which is which, and not letting either derail you.
  — Perrie Samotin, Glamour, 23 Mar. 2026
• The problem Akerlof shines a spotlight on is that buyers will have a hard time telling which is which.
  — Greg Rosalsky, NPR, 11 Aug. 2026
• There’s good chaos and bad chaos, and sometimes even the director doesn’t seem entirely sure of which is which.
  — Bilge Ebiri, Vulture, 28 Aug. 2025
• The decision about which is which won’t come until the middle of the month, at the earliest.
  — Kevin Acee, San Diego Union-Tribune, 5 Aug. 2025
• More concerningly, does Renzi know which is which?
  — Daniel Fienberg, HollywoodReporter, 10 Sep. 2025
• Some of them are biological, some adopted, some fostered – but Babineaux-Fontenot won't tell you which is which.
  — Lee Cowan, CBS News, 8 Mar. 2026
• Not hard to figure out which is which among Florida, Michigan State, Iowa State, Kansas and Nebraska.
  — Brendan Marks, New York Times, 12 Feb. 2026
• Our analysis shows-our analysis shows that the maximum extra amount that Russia could get would be $2 billion, which is which is one day of the Russian Federation’s budget.
  — NBC news, 22 Mar. 2026