kāitíng qián / fǎjǐng / tíxǐng / pángtīng rényuán / guānbì / shǒujī / bìng / bǎochí / ānjìng开庭前,法警提醒旁听人员关闭手机并保持安静。Before the hearing began, the bailiff reminded observers to turn off their phones and remain quiet.