Verb て form + まで

[Going so far as to; even to the extent of]

Connection: Verb て form + まで

Usage: Expresses that someone goes to an extreme or excessive extent to achieve something. Often implies the speaker's surprise, criticism, or disapproval of the lengths taken.

Nuance: Suggests the action described is beyond what is normally expected or appropriate.

Examples:

借金してまで高級車を買う必要はない。(There's no need to go so far as to borrow money to buy a luxury car.)

嘘をついてまで自分を守ろうとするのはよくない。(It's wrong to go so far as to lie to protect yourself.)

徹夜してまで仕事を終わらせた。(I went so far as to pull an all-nighter to finish the work.)