3.For a person who has known them so long you are strangely oblivious to their faults.
对于一个认识他们很久的人来说,你异乎寻常地没有意识到他们的缺点。
4.At the edge of a sprawling grassland, a pair of hoofed grazers resembling horses, an antelopelike notoungulate and a ground sloth feed quietly, oblivious to their impending doom.