41. A back opening fastens with buttons and a wide sash ties at the waist.
42. A back-up power system at the coach station did operate but only lasted three hours.
43. A background check confirmed that he had a criminal record.
44. A backhoe dug down to the damaged culvert in the bottom while a crew assembled another culvert up on top.
45. A backlash to atonal techno-pop or angst-ridden thrash-rock?
46. A bad burn could mean no usable clinker and hence no pay.
47. A bad case of sibling rivalry, it seems.
48. A bad experience like that can dent your confidence.
49. A bad head cold can sometimes feel like flu.
50. A bad interviewer can give a potentially excellent employee such a negative impression that he or she loses interest in the job.