noun · a military unit equivalent to an army corps

这支纵队负责掩护主力部队撤退。

conjunction · even if or even though

纵有千言万语，此刻他也说不出一句话来。

verb · to jump or leap upwards

他纵身一跃，跳过了那道矮墙。

verb · to let loose, release a captive, or allow oneself to indulge in something

我们绝不能放纵这种不负责任的行为。

noun · oriented vertically, longitudinal, lengthwise, or from north to south

他在纸上画了一条纵线。