late 14c., "act of fastening with a bar," verbal noun from bar (v.). Meaning "exclusion" is from 1630s. As a preposition, "excepting, excluding," it is from late 15c. Schoolhouse prank of barring out the teacher was in use before 1728.
实用例句
1. He stepped in front of her, barring her way.
他走到她前面，挡住了她的去路。来自柯林斯例句
2. Barring accidents, I believe they will succeed.
不出意外的话，我相信他们会成功的。来自柯林斯例句
3. Barring accidents, we should arrive on time.
除非有意外情况，我们应可按时到达。来自《权威词典》
4. We should finish by tonight, barring hold-ups.
倘若没有延误，我们应该在今晚完工。来自《权威词典》
5. Barring strong headwinds, the plane will arrive on schedule.
