Definition: typical of a child Level: B2
她的字迹很幼稚，很难读。
Her ___childish handwriting was hard to read.
我听到一个幼稚的声音对我说‘牵着我的手’。
I heard a ___childish voice saying to me "Take my hand."
他幼稚的行为惹恼了成年人。
His ___childish behavior annoyed the adults.
