https://www.italki.com/question/454144 It was the last question in this thread where asked about it

意气相争，争光；努力向上，不甘示弱 Act on impulse in handling things win honour for day day up Not to be outdone 争 can be 竞争（compete），争抢（contend for）. 气 can be air. a group of people contending for air is similar to a situation where the anoxic people contend for a breath of fresh air

争一口气：this phrase is used to express a kind of encouragement, someone hopes you could pay efforts for a goal or aim. There're examples below: 你只要争一口气就能超过他。 大家都在看着你，你得争口气呀！ Edited by Bruce 🐈🐈

do something better to make those looking down on you look up to you.