良し悪し

Meaning

1. n
   right or wrong; good or bad; quality; suitability
2. n
   having both merits and demerits; having both advantages and disadvantages

Example sentences

• 彼女には事の善し悪しがわからない。

  She can't tell the good from the bad.

• 彼は馬の善し悪しを見る目は確かだ。

  He is a good judge of horses.

• 彼は音楽の良し悪しがわからない。

  He's no judge of music.