"hair cut straight across the forehead," 1878 (singular), American English, attested from 1870 of horses (bang-tail), perhaps from notion of abruptness (as in bang off "immediately, without delay," though this expression is attested only from 1886). See bang.
实用例句
1. I heard four or five loud bangs.
我听到四五声巨响。来自柯林斯例句
2. My bangs were cut short, but the rest of my hair was long.
我剪短了刘海，但其他地方的头发还是很长。来自柯林斯例句
3. She bangs open the door and, without ceremony, burst in.
她也不先敲门,砰地一声推开门就冲了进去.来自辞典例句
4. The boy bangs the lid down.
那个男孩将盖子砰然关上.来自辞典例句
5. There was a series of bangs as the box fell down the stairs.
