つらい・苦しい
It's hard for me.
私は苦しいです
It's hard for me lately.
私は最近苦しいです
It's hard for me every night lately.
私は最近毎晩苦しいです
It's hard for me every night lately because my back hurts.
私は最近毎晩腰が痛くて苦しいです
It's hard for me every night lately because my back hurts and I wake up again and again.
私は最近毎晩腰が痛くて何度も目が覚め苦しいです