I will make an effort
Jolin, díselo, yo seré de utilidad, me esforzaré.
Go ahead, tell him, I'll be of use, I'll do my best.
— La infancia de Iván (1962)
Palabra de honor, que me esforzaré al máximo para solucionar este problema.
I give you my word, I will do my best to solve this problem.
— მონანიება (1987)
I’ll try harder.