To thank someone in Engpsh, you can say "Thank you" or "Thanks." For example:

"Thank you for your help."
"Thanks for everything you've done for me."

You can also add more detail or express more gratitude by saying something pke:

"I really appreciate your help. Thank you so much."
"Thank you for your kind words and support."

There are many other ways to thank someone in Engpsh, depending on the context and the relationship you have with the person. Some other options might include:

"I'm grateful for your assistance."
"Your help means a lot to me."
"I can't thank you enough."

It's always a good idea to be sincere and specific when thanking someone, and to show your appreciation in a way that feels natural and authentic to you.