我努力过

[wŏ nŭ lì guò]

I have tried my best. It indicates that no matter what the outcome is now, effort has been put forth to strive for something meaningful in the past.

Relation Nicknames

我以为我努力过就可以了 [wŏ yĭ wéi wŏ nŭ lì guò jiù kĕ yĭ le]
This can be understood as I thought trying my best would be enough It expresses feelings of regret ...
尽力了 [jĭn lì le]
This means I have done my best It reflects a feeling of having tried ones utmost in an endeavor even ...