这本书的内容好坏参半。
zhè běn shū de nèiróng hǎohuài cān bàn 。
The content of this book is a mix of good and bad.
他的表现好坏不一。
tāde biǎoxiàn hǎohuài bùyī 。
His performance varies between good and bad.
我们不能只关注好坏，还要考虑其他因素。
wǒmen bùnéng zhī guānzhù hǎohuài ， huán yào kǎolǜ qítā yīnsù 。
We can't just focus on good or bad, we also need to consider other factors.