also: よしわるし
good or bad; right or wrong; quality; suitability
Used to evaluate whether something is good or bad, right or wrong, or of acceptable quality. Often appears in phrases like 良し悪しを判断する (judge the merits).
It's difficult to judge the merits of this proposal.
何事にも良し悪しがある。
Everything has its good and bad points.
having both merits and demerits; pros and cons
Emphasizes that something has both positive and negative aspects, rather than a simple good/bad judgment. Often used when weighing trade-offs.
この新制度には良し悪しがある。
This new system has both advantages and disadvantages.
It's hard to judge whether this plan is good or bad.
Working from home has its pros and cons.
I was taught the trick of telling good vegetables from bad ones.
Alternate kanji spelling using 善 for 'good'; less common than 良し悪し.
Kana spelling; used when avoiding kanji or for clarity.