打 (dǎ) is one of the most versatile verbs in Chinese, with a core meaning of 'to hit' or 'to strike.' Beyond its literal meaning, it appears in dozens of compound verbs such as 打电话 (to make a phone call), 打工 (to work a job), and 打开 (to open).
弟弟不小心打碎了一个杯子。
dìdi bù xiǎoxīn dǎ suì le yī gè bēizi.
My little brother accidentally broke a cup.
你今天给妈妈打电话了吗?
nǐ jīntiān gěi māmā dǎ diànhuà le ma?
Did you call Mom today?
下课以后我们去打篮球吧。
xiàkè yǐhòu wǒmen qù dǎ lánqiú ba.
Let's go play basketball after class.