Excuse me, I have selective mutism, a recognized medical disorder.

不好意思，我这是选择性缄默，定为是生理疾病。

Later on, I was diagnosed with Asperger syndrome, OCD and selective mutism.

来，我诊断出患有阿斯伯格综合、强选择性缄默。

They could completely stop moving and remain still in a certain posture for long periods of time, which is called mutism and stupor.

他们可以完全停止活动，长时间保持某种姿势不动，这称为缄默麻木。