yakbongjie jeokhin sigane yageul meogeoya ppalli hoebokdwae.

You have to take the medicine at the time written on the medicine packet to recover quickly.

Breakdown of yakbongjie jeokhin sigane yageul meogeoya ppalli hoebokdwae.

• ~을: object particle
• 시간: time
• ~에: location particle
• ~에: time particle

Questions & Answers about yakbongjie jeokhin sigane yageul meogeoya ppalli hoebokdwae.

What does 약봉지에 적힌 시간에 mean literally?

Literally, it means at the time written on the medicine packet.

Breakdown:

• 약봉지 = medicine bag / medicine packet
• -에 = on / in / at
• 적힌 = written, marked
• 시간 = time
• -에 = at

So 약봉지에 적힌 시간에 is a noun phrase meaning the time(s) written on the medicine packet.

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Why are there two 에 particles in this sentence?

They do different jobs:

1. 약봉지에
   Here 에 means something like on or in:
   on the medicine packet

2. 시간에
   Here 에 marks a point in time:
   at the time

So:

• 약봉지에 적힌 = written on the medicine packet
• 시간에 = at the time

Using 에 twice is completely natural because each one attaches to a different noun.

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What is 적힌? Is it a verb?