吃香 chīxiāng has the same meaning as "受欢迎 "(be popular, shòu huānyíng). 香 means fragrance. You can describe a job is 很吃香 because it is in high demand.
You can describe a job is 很吃香, because it is in high demand.
Pinyin: Zhè bùshì yīgè lěngmén zhuānyè, bìyè hòu kě chīxiāngle.
English: This is not an unpopular major. Graduates could be very popular in job market.