fluke

n.

侥幸；锚爪；偶然事件；鲽鱼

复数：flukes

blood fluke血吸虫

1. His failure in history examination was a mere fluke.
   他历史考试没能及格纯属偶然。
2. She is not usually good at tennis, and that winning stroke was a fluke.
   她平时网球打得并不好，那取胜的一击不过是侥幸而已。
3. She was lucky enough to get the job by a fluke.
   她实在是够幸运的，能在偶然中得到那份工作。
4. It was only by a fluke that these artifacts were unearthed.
   这批文物的出土完全出于偶然。

The influence of nano-scale surface roughness on bacterial adhesion to ultrafine-grained titanium
Guidelines for ATC classification and DDD assignment
Child maltreatment: variation in trends and policies in six developed countries.
Longitudinal analysis of repeated child abuse reporting and victimization: multistate analysis of associated factors
Racial bias in child protection? A comparison of competing explanations using national data.
Recurrence of maltreatment: an application of the National Child Abuse and Neglect Data System (NCANDS) 1 2
Disproportionate representation of race and ethnicity in child maltreatment: investigation and victimization
Impact of Nanoscale Roughness of Titanium Thin Film Surfaces on Bacterial Retention
Biophysical Model of Bacterial Cell Interactions with Nanopatterned Cicada Wing Surfaces
Effect of ultrafine-grained titanium surfaces on adhesion of bacteria