no strings attached

with no strings attached (if something has no strings attached, there are no obligations or requirements involved; with no obligations attached) — без каких-л. условий или обязательств (часто денежных); ни к чему не обязывающий (об отношениях)

Example 1: I was given the car to use with no strings attached. (IdiomConnection)

Example 2: He insists: This is strictly personal nothing to do with business; no strings attached!

Example 3: He said he was all for a good simple sex-based relationship — with no strings attached. — Он сказал, что ему нужны были простые, ни к чему не обязывающие отношения, основанные на сексе.

Example 4: The problem up to now has been that any guarantees that the government has offered to banks have come with major strings and exorbitant fees attached ( (пример того, как данная единица может изменяться в контексте. — Сonsuello)