Translation of stark in Spanish

Regarding the meeting in early May: I could not reschedule the appointment at my daughter's doctor and I will definitely know if I can come during the first 2 weeks. I guess we should talk next week.
There might be another reason why the house was hit. Some houses have a little infrastructure problem and cannot protect themselves against flash lights. That means they are in constant risk of fire which can lead to catastrophic outcome.
I am also your friend now, how nice is that. I am learning English for a year. I love this language. I already can speak Spanish, because my mother is from Mexico. Your German is really well!