他们对于医疗器械不放心。的翻译：They are not comfortable with medical devices. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

They do not trust medical devices.

They are not comfortable with medical devices.

They did not feel relieved regarding the medical instrument.

They do not feel at ease for medical devices.

They are not comfortable with medical devices.