“Always behind, like the dog's tail.”

In other words, when someone is behind and needs to step up.

Translation in spanish

“Siempre atrás, como la cola del perro.”

En otras palabras, cuando alguien está atrasado y necesita ponerse al día.

Phonetic:
/Syehm-preh ah-trahs, koh-moh lah koh-lah dehl peh-rroh/