"You're beginning to get on my nerves."
"Will you please stop doing that? It's getting on my nerves."
"His whining is getting on my nerves."
A: "He doesn't like his birthday present."
B: "He's starting to get on my nerves. It's one thing to not like it, but it's another to complain about it. We tried our best to get him a good present."
A: "Yeah. It's bothering me too."
Other Common Sentences
"You're beginning to annoy me."
"His complaints are starting to bother me."