つらい・心が痛む
It's hard for me.
私はつらいです
It's hard for me because my exam result was lower than I hoped.
試験の結果が期待より低かったので私はつらいです
It's hard for me today because my exam result was lower than I hoped.
試験の結果が期待より低かったので私は今日つらいです
It's hard for me at school today because my exam result was lower than I hoped.
試験の結果が期待より低かったので私は今日学校でつらいです
It's hard for me alone at school today because my exam result was lower than I hoped.
試験の結果が期待より低かったので私は今日学校で一人でつらいです