Ak akçe kara gün içindir.
- You must provide for a rainy day.
Kara gün için para biriktirin.
- Save money for a rainy day.
Traffic accidents are likely to occur on rainy days.
- Verkehrsunfälle geschehen öfter an Regentagen.
I go to the office by bicycle except on rainy days.
- Außer an Regentagen fahre ich mit dem Rad zum Büro.
I've kept some money in the bank for a rainy day.
Rainy days and Mondays always get me down.