• IPA: /ˌhændɪnˈhænd/

hand in hand (not comparable)

1. Holding or clasping hands.

   The couple strolled down the sidewalk, hand in hand.

2. (figurative) Naturally, ordinarily or predictably together; commonly having a correlation or relationship.

   The tendency to follow trends and explore one's sense of self goes hand in hand with being a teenager.

3. (obsolete) Just; fair; equitable.
   • 1611 April (first recorded performance)​, William Shakespeare, “The Tragedie of Cymbeline”, in Mr. William Shakespeares Comedies, Histories, & Tragedies: Published According to the True Originall Copies (First Folio), London: Printed by Isaac Iaggard, and Ed[ward] Blount, published 1623, OCLC 606515358 ↗, [Act I, scene iv]:

     As fair and as good, a kind of hand in hand comparison.

• French: main dans la main
• German: Hand in Hand
• Italian: a mani giunte, mano nella mano
• Portuguese: de mãos dadas
• Russian: рука́ о́б ру́ку
• Spanish: de la mano, de la mano

• German: Hand in Hand
• Italian: mano nella mano
• Russian: рука́ о́б ру́ку