intentionally.

The idiot who set the fire on purpose is in jail, but that doesn't help the families who lost their homes.

• cut your coat according to cloth
• cut your coat according to your cloth
• cut your losses
• cut your own throat
• cut your teeth
• cut your teeth in
• cut your teeth in something
• damned if do and damned if don't
• damned if do and damned if you don't
• damned if you do and damned if don't
• damned if you do and damned if you don't
• damn it
• damn someone with faint praise
• damn something with faint praise
• damn with faint praise
• damp squib
• dance to someone's tune
• dance to tune
• dance up a storm
• darkest hour is just before the dawn.
• dark horse
• dark-horse
• Davy Jones's locker
• dawn on
• dawn on you