This is the 3003rd most frequent Chinese word.
耳鸣
Tinnitus; a ringing or buzzing sensation in the ears.
In this sentence, '耳鸣' refers to the condition of tinnitus, experienced as a symptom by the speaker.
我经常有耳鸣的情况，特别是在安静的时候。
I often experience tinnitus, especially in quiet environments.
Here, '耳鸣' is used as a potential medical concern that warrants further examination.
医生建议我去做检查，因为耳鸣可能是由其他问题引起的。
The doctor suggested I get checked because tinnitus might be caused by other issues.
In this instance, '耳鸣' relates to an increased perception of tinnitus symptoms when fatigued.