Oh man, I felt so groggy today, and it was so cold too.
I'm tired, and I still have to do this tomorrow too.
ご質問ありがとうございます。
「~だったし」は"and it was ~ too"が大体の文脈で使えると思います。
①
"Oh man, I felt so groggy today"=「あ~、今日はとてもだるかったよ。」
"and it was so cold too."=「そしてとても寒かったし。」
②
"I'm tired"=「疲れた」
"and I still have to do this tomorrow too."=「そして明日もしなければいけないし。」
ご参考になると良いです!
I felt sluggish today and it was chilly out there as well.
I'm so tired, but I have to do it all over again tomorrow.
この場合、次のような言い方ができますよ。
ーI felt sluggish today and it was chilly out there as well.
「今日はだるいし、外は寒かったし」
ーI'm so tired, but I have to do it all over again tomorrow.
「すごく疲れたけど明日もやらなきゃだし」
ご参考まで!