you could hear a pin drop
US /juː kʊd hɪər ə pɪn drɒp/
UK /juː kʊd hɪər ə pɪn drɒp/

1.
senyap sunyi, sunyi sepi
used to describe a situation where there is complete silence, often due to tension or anticipation
:
•
When the teacher announced the test results, you could hear a pin drop in the classroom.
Apabila guru mengumumkan keputusan ujian, suasana senyap sunyi di dalam kelas.
•
The audience was so captivated by the performance that you could hear a pin drop.
Penonton begitu terpukau dengan persembahan sehingga suasana senyap sunyi.