トライアルアンドエラーじゃありません
toraiaruandoerājārimasen
1. Not trial and error.; Not by trial and error.
Noun
#249122
1. Not trial and error.; Not by trial and error.
1. (common) cold; influenza
1. error
2. fumble that leads to failing to put out a runner
1. snake
2. serpent; large snake
1. then; well
1. Stars and Stripes (US flag)
2. Stars and Stripes (newspaper)
1. copy-and-paste
2. copypasta (block of text that is copied and pasted across the Internet)
1. hedge