“细缝”的英语可以翻译为：finedraw，check ...

他把眼睛瞇成了两条黑色的细缝。His eyes narrowed to two small pinpricks of black.起初, 在几片朝霞中间, 露出一点儿细缝, 像一根红线.At first, in a few films Zhaoxia middle, exposing a little slit, like a red line....