YOU SAID:

Names are bad for performance.

INTO JAPANESE

名前が性能悪いです。

BACK INTO ENGLISH

The name is poor performance.

INTO JAPANESE

名前は、パフォーマンスの低下です。

BACK INTO ENGLISH

The name is a poor performance.

INTO JAPANESE

名前は、パフォーマンスの低下です。

BACK INTO ENGLISH

The name is a poor performance.