lit. to see sth as clearly as one sees a blazing fire (idiom)
fig. to grasp the situation thoroughly
Definitions (粵典–words.hk)
語句
睇得一清二楚 to see things very clearly
佢對國際局勢洞若觀火,成功預測大戰發生。
佢对国际局势洞若观火,成功预测大战发生。
keoi5 deoi3 gwok3 zai3 guk6 sai3 dung6 joek6 gun1 fo2, sing4 gung1 jyu6 caak1 daai6 zin3 faat3 sang1. With a very clear understanding of the international situation, he foresaw the war.
Definitions (Wiktionary)
phrase, idiomatic
to observe things absolutely clearly