翻译：遇见大人是这个害羞的小孩很困窘。

The shy child met the adults are difficulties

It make that shy child feel awkard as soon as he meet the adults.

It will be very akward/nervous of this shy boy/girl when met with adults

Embarrassed by his heavy luggage, he could not walk fast.绝对是它了！在很权威的地方查到的一摸一样的话。