"I am thrilled by the trilling bird call."thrill [v.] 1. To cause to feel a sudden intense sensation; excite greatly.3. To cause to quiver, tremble, or vibrate.trill [v.] to sound, sing, or play with a trill [n.].trill [n.] 1. A fluttering or tremulous sound, as that made by certain birds; a warble.@ from American Heritage Dictionary.补：[03-14-2013 网络资源很丰富，不过有些时候需要多推敲。Trill作为名词是没有”兴奋“这层意思的]参考 Collins English Dictionary的例子：Thrill [n.] 2. a situation producing such a sensation. e.g., It was a thrill to see Rome for the first time.
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