ADJ-GRADED
麻烦的;琐碎的;细小的
A niggling injury or worry is small but bothers you over a long period of time.
例句
Both players have been suffering from niggling injuries.
两名运动员一直在忍受轻微的伤痛。
...a niggling worry that the cheap car is also the one that will cause endless trouble.
对廉价轿车会麻烦不断的一丝担忧