round the bend
/ˌraʊnd ðə ˈbend/idiom
crazy; very annoyed
сводить с ума, сумасшедший
Русский аналог: «довести до белого каления»
Drive someone round the bend — сводить кого-то с ума.
“That noise is driving me round the bend!”
“He must be round the bend to quit such a good job.”
“Working with him would send anyone round the bend.”