Pinyin: zhàn xiàn
Basic explanation
1. [Front]: The front line of the warring parties.
2. [Positive]: It is a metaphor for the progress on the education front in a certain field of revolution or construction.
3.
[Front]: refers to the joint organization of the national United front.
detailed description
1.
The line of contact between the warring armies. Chapter 3 of Chapter 2 by Mao Dun: "The momentum of the Oriental soldiers is fierce, and this front cannot be defended." Wei Wei's The Cutest Man, Go Forward, Motherland! : "Motherland, on the battlefield of gunfire, everyone is thinking of you and listening to you."
2.
Metaphor works in other fields. Mao Zedong's New Year speech: "May we win on the economic and financial fronts! I wish us victory on the cultural and educational front! " Act I of Lao She's Salesgirl: "We are three good girls, and we are going to have a big fight in business."