subtle in French
subtle in French
subtil
Of an argument or concept, words, etc.: requiring one to distinguish between fine points, especially if it is difficult to do so; nice; also (generally) , difficult to grasp; not easily understood or obvious.
délicat
Of an argument or concept, words, etc.: requiring one to distinguish between fine points, especially if it is difficult to do so; nice; also (generally) , difficult to grasp; not easily understood or obvious.