adj.(不严重却不断)烦人的，疼痛的，不重要的，微不足道的
v.使烦恼，使焦虑，吹毛求疵，挑剔
n.麻烦事
niggle的现在分词

原形：niggle第三人称单数：niggles过去式：niggled过去分词：niggled现在分词：niggling

The niggling doubt in my mind grew stronger as the day went on.
我心中的疑虑随着一天的推移而愈发强烈。
She had a niggling headache that wouldn't go away.
她有一阵子隐隐的头痛，一直挥之不去。
His niggling injury prevented him from playing in the match.
他的小伤让他无法参加比赛。
The constant noise became a niggling irritant.
持续的噪音变成了令人烦躁的小烦恼。
A niggling sense of guilt plagued her after she lied.
在她说谎后，一种隐约的罪恶感困扰着她。
The niggling problem with the car engine needed attention.
车辆引擎的小问题需要修理。
The niggling suspicion led him to investigate further.
那种挥之不去的怀疑促使他进一步调查。
Her niggling back pain made it difficult for her to focus.
她背部微痛，让她难以集中注意力。
The niggling thought that he might be wrong haunted him.
他可能错的念头一直萦绕在他心头。
Despite his success, a niggling feeling of insecurity lingered.
尽管他取得了成功，但内心深处仍有一种挥之不去的不安全感。