Sorry for the service being cut several times today.
今日 today
配信 service (この場合)
何度も several times/many times
切れてしまって cut/interrupted/disrupted
ごめんなさい sorry
例文 We are undergoing maintenance at the moment, so we're sorry for the service being interrupted several times.
「現在維持中ですので、配信が何度も切れてしまってごめんなさい。」
参考になれば幸いです。