名词

1. 症状
A symptom of an illness is something wrong with your body or mind that is a sign of the illness.

2. 征候;征兆
A symptom of a bad situation is something that happens which is considered to be a sign of this situation.

1. anything that accompanies X and is regarded as an indication of X's existence

2. (medicine) any sensation or change in bodily function that is experienced by a patient and is associated with a particular disease