发夹的英文：
barrette

Something shaped like a hairpin,especially a sharp turn in a road.
发夹状物形状象发夹的物体，尤指公路的U形急转弯

She took the clip out of her hair.
她把发夹取了下来。

bobby pin
[美]小发夹

Secures her chignon with hairpins.
用发夹固定她的发髻

For some reason he seemed to think that he could bring Oliver Barrett III and Oliver Barrett IV together again
也不知道怎么搞的，他总觉得他能够使奥利费·巴雷特三世和奥利弗·巴雷特砗世言归于好。