一瞬: an instant, a moment

俊二, 俊児, 俊次, 俊治, 俊史, 俊司, 駿二, 駿児: a male given name / 駿次, 駿治, 駿史, 駿司: a male given name

駿也: a male given name

駿馬: an excellent, fast horse

one's best effort

(colloquial, idiomatic) deceive, play a trick on someone

Alternative form of 胸が一杯になる

to have a lump in one's throat, stomach full of food / (idiomatic) to be overwhelmed with emotions

maximal, possessing all one's might

the fullest extent; the limit (of one's power, etc.)