我以为溺死深海就不孤单
[wŏ yĭ wéi nì sĭ shēn hăi jiù bù gū dān]
'I Thought Drowning in the Deep Sea Would Mean Not Being Alone' indicates feelings of loneliness or depression where the author thinks only being drowned in a sea can stop feeling isolated. The underlying meaning might involve wanting a way out from overwhelming emotions but choosing isolation.