To make it a trip to remember, Eikichi assigns his students to co-ed rooms. Noboru is perplexed with Eikichi's decision to assign him with Anko and her friends.
That's all right once in a while.
لا ضير في ذلك بين الفيّنة والأخرى
Das tut euch zur
Abwechslung mal ganz gut.
Está bien de vez en cuando.
Está bien de vez en cuando.
Je ne vois pas où est le mal.
De vez em quando 
não tem problema.