suffer from 遭受...
suffer a loss 遭受损失
suffer a defeat 遭遇失败
suffer pain 感到疼痛
A: Why does he look so tired today?
A：他今天看起来为什么这么累？
B: He suffers from lack of sleep lately.
B：他最近一直受睡眠不足的困扰。
1) 遭受（痛苦、损失等）
2) 患有（某种疾病）
3) 忍受（痛苦、折磨等）
1. 遭受，忍受
verb
1. to experience something bad or unpleasant
Synonym: endure, undergo