Miss Gryce snored at last; she was a heavy Welshwoman, and till now her habitual nasal strains had never been regarded by me in any other light than as a nuisance; to-night I hailed the first deep notes with satisfaction; I was debarrassed of interruption; my half-effaced thought instantly revived.
……在此之前，我对她惯常的鼻音曲除了认为讨厌，没有别的看法。……
问题：请问这段中的“light”如何理解？谢谢。