To abide by the law,…
509. 畫虎類狗、畫虎不成反類犬、虎落平陽被犬欺、虎父無犬子 510. 犬牙相（交）錯
Walls have ears.
答案可能不只一個- 509. 猇（xiao1） 510. 犽
Make adequate preparations before setting…
507. 一犬吠影，百犬吠聲 508. 狗皮膏藥
Diligence is the mother of…
答案可能不只一個- 507. 獄 508. 狓
Idleness is the root of…
505. 蜀犬吠日 506. 犬牙相（交）錯
Leave the past behind and…
答案可能不只一個- 505. 獨 506. 狡
