点击下方单词,选择对的这个单词
点击下面链接下载与本句相关的学习资源，包括PDF教材和音频练习，方便课后复习：
1. 讨人厌者；有意搅扰他人者;（尤指）故意挑战权威者If you refer to someone as a gadfly, you believe that they deliberately annoy or challenge other people, especially people in authority.
1. any of various large flies that annoy livestock
2. a persistently annoying person
Synonym: pestblightercusspesterer
多通过句子记忆单词，而不是单独死记硬背。
