Tā cái sānshí suì, jiù zài gōngsī lǐ káng qǐ le dàliáng.
At only thirty he's already shouldering the heaviest load in the company.
Tips
memory
大梁 is the central roof beam - remove it and the whole building collapses. 扛大梁 is holding up that beam, the load-bearing role in team, family, or company.