poor; lame; ill-prepared
設備がお粗末で試合に支障が出た。
The equipment was so poor that it caused problems during the match.
お粗末な言い訳では誰も納得しない。
A lame excuse like that won't convince anyone.
このお粗末な仕上がりでは商品として出荷できない。
With such poor quality, it cannot be shipped as a product.