请输入您要查询的英文单词：
单词
niggling
释义
niggling
ADJ
/ˈnɪglɪŋ/
1
a niggling feeling is slight but it worries you continuously 惹人烦恼不已的
2
a niggling injury is not very serious but is difficult to treat or cure （伤口）难治疗的，难愈合的