学语言没有什么捷径，多听多说才是最大的窍门。

Xué yǔyán méiyǒu shénme jiéjìng, duō tīng duō shuō cái shì zuì dà de qiàomén.

There is no shortcut to learning a language; listening and speaking a lot is the biggest key.

他很快就掌握了跟客户沟通的窍门。

Tā hěn kuài jiù zhǎngwò le gēn kèhù gōutōng de qiàomén.

He quickly mastered the knack of communicating with clients.

只要掌握时间管理的窍门，你就不会总觉得自己很忙却没效率。

Zhǐyào zhǎngwò shíjiān guǎnlǐ de qiàomén, nǐ jiù búhuì zǒng juéde zìjǐ hěn máng què méi xiàolǜ.

As long as you grasp the tricks of time management, you won't always feel busy but inefficient.