come in handy: translation
come in handy
[for something] to be useful. •
I think that this gadget will come in handy in the kitchen.
* * *
{v. phr.}, {informal} To prove useful. * /Robinson Crusoe found tools in the ship which came in handy when he built a house./ * /The French he learned in high school came in handy when he was in the army in France./