本気 ほんき
honkio dasu

Godan Verb (su)
Expression

1. to make a serious effort

「まあ、それでも きみよりは、はるかに ぼく ほう点数 てんすう たかいけどね」「なんですって!私 わたくし本気 ほんき せば、あなたなんて、目 じゃないわ!」
"mā soredemo kimiyoriwa harukani bokuno hōga tensū takaikedone" "nandesutte! watashiga honkio dasebā natananteme janaiwa
"Well, even so my score is far above yours isn't it?" "What did you say!? If I was to go all out you'd be as nothing to me!"