1、quarter英[ˈkwɔːtə(r)]美[ˈkwɔːrtər]，n.四等份之一; (正点之前或之后的)15分钟，一刻钟; 三个月时间; 季度; 季;vt.把…切成(或分成)四部分; 给…提供食宿。

2、[例句]A class of volunteers, including a TV producer, a baker and a retiree, were able to learn how to hack into someones account in less than quarter of an hour.包括电视制片人、面包师和退休工人在内的一组志愿者在不到15分钟的时间就学会了如何黑掉别人的邮箱账户。