まいご= a stray/lost child
どこ=where
わからない= do not know (casual)
cf. わかりません
ないてばかりいる=nothing but crying
おまわりさん=policeman
こまってしまって=at a loss
からす=crow
すずめ=sparrow
If you click +, the menu will expand. Try to expand the folders until the folder which does not have sub-folders underneath. And click the folder name rather than click a single post.