英 [ˈnɪɡlɪŋ] 美 [ˈnɪɡlɪŋ]
adj. 为琐事操心的；过于精细的；琐碎的
n. 过于琐碎的工作；无关紧要的事
v. 挑剔（niggle 的 ing 形式）
niggling /ˈnɪɡlɪŋ/
形容词 A niggling injury or worry is small but bothers you over a long period of time. 细小但又持续恼人的
Both players have been suffering from niggling injuries.
两个选手都经受着持久的伤痛困扰。
...a niggling worry that the cheap car is also the one that will cause endless trouble.
...便宜车也引起无尽麻烦的一种困扰。
为琐事操心的
这女性本就如六月的气象，说变就变的，素来决裂比翻书快，耍耍赖(Niggling)又算得了什么，又什么好少见多怪的？你上一次与人吵架（或打架）是在什么时候？
... fiddling无足轻重的 niggling琐碎的 petite（女子）娇小的...
... 为死者所诵的晚祷歌placebo 为琐事操心的niggling 为琐事费时niggle ...
过于琐碎的工作；无关紧要的事
挑剔（niggle的ing形式）
Something was niggling her.
她有点烦心的事儿。
She had niggling doubts about their relationship.
她时常对他们的关系有一丝疑虑。
Both players have been suffering from niggling injuries.
两个选手都经受着持久的伤痛困扰。
Though this sounds like the definition of a spirit of adventure, there is also the niggling worry that we will arrive in Palm Springs to find... nothing.
Niggling trade disputes over hormones in beef, genetically modified organisms and American trade sanctions on Cuba and Iran argue for a new way of avoiding future rows.
This, his aides say, means he cannot answer for the moment such niggling questions as whether he accepts the very concept of a two-state solution to the Israeli-Palestinian conflict.