weigh the pros and cons
In Chinese, the Pinyin is Ku í Q í ngdu ó L ǐ, which means to estimate and speculate according to emotion and reason. It's from Huainanzi · Bing luexun.
Notes on Idioms
Premier: estimate and guess; degree: guess.
The origin of Idioms
"Huainanzi · Bing Lue Xun" says: "those who can cure the five senses, those who can't be overestimated."
Analysis of Idioms
Be considerate and reasonable
Idiom usage
It's not strange to speculate according to emotion and reason. When Premier's emotion is ideal, there are some natural and human feelings. (Chapter 33 of biography of children heroes by Wen Kang in Qing Dynasty)
weigh the pros and cons
romantic themes ; to waste money in houses of ill repute - xuě yuè fēng huā
Xiang Zhuang's sword dance is aimed at Peigong - xiàng zhuāng wǔ jiàn,zhì zài pèi gōng
feel as if a knife were piercing one 's heart - xīn rú dāo jù