cstranslate: command not found

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/lib/hhsuite/bin/cstranslate - from package: hhsuite

You may install the required package with command apt-get install {package}

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