holdback是什么意思音标:英 ['həʊldbæk]美 ['hoʊldbæk]

n. 妨害, 障碍

n. Check; hindrance; restraint; obstacle.
n. The projection or loop on the thill of a vehicle. to
which a strap of the harness is attached, to hold back a carriage when
going down hill, or in backing; also, the strap or part of the harness
so used.

holdback的用法和例句：

1.Because that was one of the holdbacks the popce for suspect identification.

因为那是警方确认嫌疑人身份的 障碍之一