turn-up
/ˈtɜːnʌp/noun
Brit. <英>
1
- （一般作turn-ups）the end of a trouser leg folded upwards on the outside裤腿翻边。
2
- in sing. informal an unusual or unexpected event or occurrence; a surprise〈非正式〉出乎意料的事; 惊奇：
fancy you being in New York too - what a turn-up for the books.
想不到你也在纽约——真让人感到意外。