còn trẻ 
to still be young [ còn ] : (1) to be, remain, be left, have left; (2) also, as for, still, in addition
[ trẻ ] : young
Most Common Compounds Set 1:
còn trẻ Most Common Compounds Set 2 :
Cô ấy còn trẻ và xinh xắn .
hồi còn trẻ in childhood, when one was a child |
When I was young, I worked as a waiter. 
Als ich jung war, habe ich als Kellner gearbeitet.