She had niggling doubts about their relationship.
她时常对他们的关系有一丝疑虑。
a series of niggling injuries
接连不断的小伤痛
niggling details
琐碎的细节
1.为小事操心的
2.麻烦的
3.(工作等)难办的;(字等)潦草难认的
1.麻烦事
1.“niggle”的现在分词
1.a niggling feeling is slight but it worries you continuously
2.a niggling injury is not very serious but is difficult to treat or cure
1.The present participle of niggle
1.Even if I didn't really believe all that much in the myth, I still had the niggling feeling that maybe I should avoid red meat.
在此之前，即使自己并没有对这类食物谬误深信不疑，我还是有点小小的不安，觉得或许自己真的要戒掉红肉了。
2.Results of this paper rogue niggling over a long shutdown, we fight for the N-th said the phone was shut down, could not be reached.
结果这无赖耍赖皮，一早就关机，我们打了N次都说手机已停机，联系不上。
3.Such places come with most of the trappings and comforts of a state, but few of the niggling international obligations.
一个国家该有的派头和安逸，这些地方大多拥有，却很少需要履行烦人的国际义务
4.Croatia, which is the nearest to joining the EU, has suddenly got bogged down in a niggling border dispute with Slovenia.
最近加入欧盟的克罗地亚，突然陷入了和斯洛文尼亚的边境争端。
5.Yes, I played a half. It was still niggling though and I've been left out since to try and get rid of the problem.
是的，我踢了半场，尽管还有一点问题，自从受伤之后去治疗，我已经离开球场一段时间了。
6.Reason was at the helm, and, particularly niggling, travellers to the East had reported no Eden to be found.
其原因是决定性的但又是那么得微不足道，即到东方的旅行者报告说他们没有发现伊甸园。
7.He's been in and out with a niggling problem with his groin, and hopefully the operation has cured it.
他一直备受腹股沟问题的困扰，如果顺利的话，这次手术可以让他完全恢复。
8.So really it was the combination of all these niggling factors that led me to decide to return to monophasic sleep.
实际上正是这些琐碎的原因促使我决定回归单相睡眠。
9.Meanwhile, Allardyce has spoken of his frustration after Michael Owen suffered another 'niggling' injury.
同时，阿勒代斯也谈到了欧文的伤势。
10.More niggling is the suspicion that the ECB has caved in to political pressure to help out spendthrift governments.
更麻烦的是，ECB为帮助挥霍无度的政府而屈从于政治压力的嫌疑。