一気呵成
Meanings
Noun
1. finishing in one go; completing in one sitting; (doing something) in a single breath (Yojijukugo, oft. adverbially as ～に)
Kanji used
Pitch accent
いっきかせい
いっきかせい
Examples1
彼、
He said he dashed this proposal off in one sitting. It's pretty sloppy.