por su ayuda

for your help

→ por

phrase Uncommon #19,922

for your help "Su" can mean your, his, her, or their depending on context. Often used when thanking someone.

SP: Gracias por su ayuda con la tarea.

EN: Thanks for your help with the homework.

She thanked him for his help.

Thanks for your help, but I think I'll wait for the tow truck.

— Encontré al diablo (2010)

You just have to ask for their help.

Thank you for your help, guys.

— Kajaki (2014)

I just want to thank everyone for their help.

I thanked Mary for her help.

Thank you very much for your help.

Tom thanked Mary for her help.

I am very grateful for your help.

Guide, I want to thank you for your help.

Thank you again for your help.

— El manantial de las colinas (1986)

Thank you for your help, Mr. Looney.

— Mystic River (2003)

I thank you once again for your help, Mr. Maddad.

— Incendies (2010)