C’est le cadet de mes soucis is a fun French idiom that translates literally to “It’s the youngest child of my worries” and means “That’s the least of my worries”.
C’est le cadet de mes soucis
That’s the least of my worries

Example sentence
J’ai beaucoup de choses à faire cette semaine, mais réparer le climatiseur, c’est le cadet de mes soucis.
I have a lot to do this week. But repairing the air conditioner, that’s the least of my worries.
Note on cadet
- Le cadet and la cadette means “youngest” as in “youngest child”. Cadet, the military term or rank is a borrow word from French.


