I'm frustrated because what my assignment is not making progress as I would like it to.
I'm not making as much progress with my assignment as I had hoped. I feel annoyed by this.
ご質問ありがとうございます。
① "I'm frustrated because what my assignment is not making progress as I would like it to."＝「私はイライラしている。なぜかというと、私が願っているほど課題が進んでいないため。」
② "I'm not making as much progress with my assignment as I had hoped."＝「私が期待したほど課題の進捗が無い。」
"I feel annoyed by this."＝「これに関して、私はイライラしている。」
ご参考になると幸いです。
アメリカ合衆国 
