セイイッパイ
Meanings
Noun
1. the best one can do; one's best effort
Adverb
Noun
2. with all one's might; to the best of one's ability
Pitch accent
イイッ
パイ
Composed of
spirit; sprite; energy; vigor (vigour); fine details; semen
amount necessary to fill a container (e.g. cupful, spoonful, etc.); drink (usu. alcoholic); full; one squid, octopus, crab, etc.; one boat; fully; to capacity
Examples (5 in total)
This is all I can do for now.
That is the most I can do.
The coach accused us of not doing our best.
We did our best to help him, but he didn't so much as say thank you.
He did his best never to think of her.