Shy dream meaning is explained below using 2 different sources. Each interpretation is shown with its source.

Interpretation 1 — Zolar

lucky numbers: 13-27-28-31-38-41

being: others’ confidence in your abilities matches yours.

children: are surrounded by jealous people, but you are not their object of envy.

mate: trust relatives for advice in your obstacle course at work.

others: plans wil turn out unsatisfactorily, if you make them that way.

work, at: modesty never gained a promotion.

Source: Zolar’s Book of Dreams Numbers and Lucky Days Author: Zolar

Interpretation 2 — Stearn Robinson - Tom Corbett

If your dream featured your own shyness, it is a forecast of success in your current undertakings; but if you dreamed of the shyness of others, you are likely to be thwarted in an immediate plan by the sudden backing out of some* one you rely on.
Source: The Complete Guide to Interpreting Your Dreams Author: Stearn Robinson - Tom Corbett