Chinese learners move from characters to idioms as the highest level. This free resource explains 「鐵面無私」 below.
Here’s the idiom 「鐵面無私」, with its definition and practical application described below.
Describes being fair and strict, not afraid of power, and not showing any mercy.
The Mandarin pronunciation of this idiom is :
tiě miàn wú sī
while its Cantonese pinyin is :
tit3 min6/min2 mou4 si1
Chinese idioms, with their vast variety, hold different meanings and uses. Their abundance makes studying them rewarding, and these materials are here to help you along the way.

