It's hard to bridge the silence in our staff room when no one is talking.
It's so quiet in our staff room sometimes, it's hard to break the silence.
ーIt's hard to bridge the silence in our staff room when no one is talking.
「誰も話していない時に、休憩室の沈黙を埋めるのは大変だ」
to bridge the silence で「沈黙を埋める」
ーIt's so quiet in our staff room sometimes, it's hard to break the silence.
「時々休憩室はすごく静かで、沈黙を破るのが大変だ」
to break the silence で「沈黙を破る」
このような表現もあります。
ご参考まで！
カナダ 
