I couldn't help
I couldn't help but smile.
I couldn't help yawning.
No pude evitar escuchar tu conversación con Tom.
I couldn't help overhearing your conversation with Tom.
No pude evitar sentir pena por él.
I couldn't help but feel sorry for him.
No pude evitar quedarme dormido.
I couldn't help falling asleep.
No pude evitar sonreír ante su franqueza infantil.
I couldn’t help smiling at his childlike frankness.
No pude evitar enamorarme de ti.
I couldn't help falling in love with you.