とび入りする
take part [【形式ばった表現】 participate] 《in a contest》 without submitting one's entry beforehand
open to all comers [everyone]
【形式ばった表現】 unrestricted as to entries
(1)
文法情報 | (名詞、形容詞相当語句/ノ形容詞、サ変名詞) |
対訳 | taking part on the spur of the moment; participating without registering beforehand; last-minute entrant |