half-baked

这份报告做得太马虎了，到处都是错误。

This ___half-baked report is full of mistakes.

别理会他那些半吊子的投资建议。

Don't pay attention to his ___half-baked investment advice.

这个提案只是个半成品，还需要更多完善。

The proposal is still ___half-baked and needs more refinement.