hyudaeponeul chungjeonharyeodaga jamdeureosseoyo.

I was going to charge my phone, but I fell asleep.

Breakdown of hyudaeponeul chungjeonharyeodaga jamdeureosseoyo.

• ~을: object particle
• 휴대폰: cell phone
• 잠들다: to fall asleep
• 충전하다: to charge

Questions & Answers about hyudaeponeul chungjeonharyeodaga jamdeureosseoyo.

What does 충전하려다가 mean exactly?

It means something like while intending to charge it / just as I was about to charge it / I was going to charge it, but...

The key nuance is:

• the speaker had the intention to do 충전하다 (to charge)
• but that action was interrupted or did not get completed as planned
• something else happened instead

So in this sentence, 휴대폰을 충전하려다가 잠들었어요 means the speaker was about to charge their phone, but then fell asleep instead.

How is 충전하려다가 formed?

It comes from:

• 충전하다 = to charge
• verb stem: 충전하-
• -(으)려다가 = was going to do X, but then...

So:

• 충전하- + 려다가 → 충전하려다가

This grammar attaches directly to the verb stem.

Basic pattern:

• vowel or ㄹ ending stem → -려다가
• other consonant ending stem → -으려다가

Examples:

• 가다 → 가려다가 = was going to go, but...
• 먹다 → 먹으려다가 = was going to eat, but...

What nuance does -(으)려다가 add?

-(으)려다가 usually shows:

1. an intention or attempt