hime-juyin-learn: command not found

Have You tried accessing the binary with the full path?

Maybe Your $PATH variable doesn't contain the default paths? echo $PATH should give something like:

[root@server ~]# echo $PATH
/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin

If it's empty, You may set the PATH variable with this command

export PATH="/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin"

On Debian possible default full paths are:

/usr/bin/hime-juyin-learn - from package: hime

You may install the required package with command apt-get install {package}
Error in other languages:
hime-juyin-learn: bevel nie gevind nie
hime-juyin-learn: comandă negăsită
hime-juyin-learn: comando não encontrado
hime-juyin-learn: commande introuvable
hime-juyin-learn: command not found
hime-juyin-learn: käsku ei ole
hime-juyin-learn: không tìm thấy lệnh
hime-juyin-learn: komanda nerasta
hime-juyin-learn: Kommando nicht gefunden.
hime-juyin-learn: kommandot finns inte
hime-juyin-learn: komut yok
hime-juyin-learn: nie znaleziono polecenia
hime-juyin-learn: níor aimsíodh an t-ordú
hime-juyin-learn: no se encontró la orden
hime-juyin-learn: no s'ha trobat l'ordre
hime-juyin-learn: opdracht niet gevonden
hime-juyin-learn: parancs nem található
hime-juyin-learn: perintah tidak ditemukan
hime-juyin-learn: príkaz nenájdený
hime-juyin-learn: příkaz nenalezen
hime-juyin-learn: команда не найдена
hime-juyin-learn: командата не е открита
hime-juyin-learn: 命令找不到
hime-juyin-learn: コマンドが見つかりません