hitch *

场景：尽管大家希望推介会能够顺利进行，但是最后时刻掉链子实在是让人抓狂。

造句：Although we hoped the promotion could be held without hitch, the last-minute hitch drove us mad.

用法： hitch =slight / little problem , a slight hitch can lead to a deadly disaster . / without hitch 非常顺利