(This is already in Chinese/Japanese characters. Since you asked to translate to Japanese and this text is already in Chinese, if you need it in Japanese, it would be: しっかりしろ、兄弟たち or 頑張れよ、兄弟たち)
However, following your instruction to return unchanged if already in target language or if clarification is needed - the original text is in Chinese. In Japanese, this would be: **しっかりしろ、兄弟たち**or**頑張ろう、兄弟たち**
$LYN 站上0.1137
(This is already in Chinese/Japanese characters. Since you asked to translate to Japanese and this text is already in Chinese, if you need it in Japanese, it would be: しっかりしろ、兄弟たち or 頑張れよ、兄弟たち)
However, following your instruction to return unchanged if already in target language or if clarification is needed - the original text is in Chinese. In Japanese, this would be: **しっかりしろ、兄弟たち**or**頑張ろう、兄弟たち**