suffer/ˈsʌfə(r)/
vt., vi.1. 受苦；受难She was suffering from a headache.她正经受头痛之苦。
Many people suffer from a great dread of heights.许多人非常畏高。
2. 遭受（磨难）to suffer death丧生
The enemy forces suffered heavy casualties by their own admission.敌军自己承认伤亡惨重。
3. 变坏；品质降低His friend has suffered from ill health for some years.他朋友身体不好已有好几年了。
4. 允许；让5. 忍受；不在意