童騃

童𫘤
tóng'ái

naive, particularly due to young age

Wiktionary

Entry Composition

=1 童 Tóng surname Tong
=1 童 tóng child
=2 騃 ái
  1. stupid
  2. idiotic
=2 騃 sì
  1. (alt. form 呆) stupid; foolish
  2. (obsolete, of going) quick
  3. quick
  4. stupid; foolish