The phrase "ambiguous who" is not standard or commonly used in written English.
It may be used in contexts discussing unclear or uncertain subjects or agents in a sentence or situation.
Example: "In the report, the ambiguous who left readers confused about the main contributor to the project."
Alternatives: "unclear subject" or "vague agent".
Nature takes its course, but the math is ambiguous: who is the father of Bridget's child?
There were yet others whose attitudes were ambiguous, who hid Jews, then felt progressively panicky about the risks they were taking.
Because of his own timidity and melancholy, he goes on to say, the figures to whom he was attracted were not contemporary authors like Edmund White and Jeanette Winterson, "whose novels had done so much to clear the air and make things easier for gay people," but rather "other figures from an earlier time, whose legacy was ambiguous, who had suffered for their homosexuality".
Tordillos also notes that "you don't need to type their full name, just enough so that it's not ambiguous who you mean.
The report says this left ambiguous who was responsible for the "independent" and "difficult-to-manage" Macchiarini and gave him "an opportunity to move between the two clinics too freely".
Yet he is a skilfully ambiguous nationalist who has ruled out secession.
He is a famously wily, ambiguous character who likes to get his way by dividing, or baffling, his opponents.
Wagner had a much more complicated personality in mind — an ambiguous figure who does evil and to whom evil is done.
Restrictions were ambiguous: someone who at first seemed to be wholly on the side of the state would turn out to be not so loyal in private.
McConaughey and Harrelson turned in first rate performances and I really liked the fact they portrayed morally ambiguous characters who were not obviously or necessarily "good" guys.
A set of complex, morally ambiguous characters who compel us to relate to them despite their often troubled nature and gaping collection of character flaws.
