Her friends whispered she might be a nymphomaniac because her behavior was too obvious.

nymphomaniac 由希腊词根 nympho-（宁芙，指神话中的仙女，引申为"性欲旺盛的女性"）和 -maniac（狂热者、痴迷者）组成。这个词特指"女性性欲亢进者"，即"色情狂"或"慕男狂"。