To master Chinese, begin with characters, move to words, and then idioms. Here’s the idiom 「反戈一擊」 explained, free of charge.
Introducing the idiom 「反戈一擊」: its meaning and how to use it are provided below.
Turn the weapon around and attack the camp to which you originally belonged.
The Mandarin pronunciation of this idiom is :
fǎn gē yī jī
while its Cantonese pinyin is :
faan2 gwo1 yat1 gik1
The sheer number of Chinese idioms and their varied meanings make them fascinating to study. Let these materials assist you as you advance your Chinese skills and understanding.

