Mina goes grocery shopping with Mamoru, and spends time teaching him written Japanese. The bond developing between these two comes as a surprise to Takuma, who isn't entirely sure how to react.
You would gradually develop 
problems, and then break down.
‫ستُواجه مشاكل تدريجيًا، ثم ستتعطل.
Das würde dich langsam
aber sicher zerstören.
Iría afectándolos hasta averiarlos.
Iría haciendo mella hasta averiarlos.
Des infiltrations d’eau répétées
provoqueraient des dégâts.
Accumulerebbe sempre più guasti,
Você acumularia problemas aos poucos
e acabaria quebrando.
Это вызовет накопление
неисправностей и поломку.