打卡

1. • to clock on (or off) to punch in (or out)

     of an employee

2. • to check in to a location

     on social media

Character by character

• 打(dǎ)a semantically light, transitive verb that is combined with various grammatical objects to form compound verbs and verb-object phrases with a diverse range of meanings
• 卡(kǎ)stop