wèi bù shūfu yào shuōqīng shì téng, zhàng, fǎnsuān, ěxīn, ǒutù háishì lādùzi

胃不舒服要说清是疼、胀、反酸、恶心、呕吐还是拉肚子。

If your stomach is upset, you should specify whether you feel pain, bloating, acid reflux, nausea, vomiting, or diarrhea