silence Idiom, Proverb
break the silence
talk about a secret, tell people the truth When he accused us of the crime, my brother broke the silence.
silence is golden
silence is wonderful, silence is peaceful After a day of teaching grade two students, silence is golden.
in silence
speechlessly;soundlessly默不作声地;静悄悄地
They looked at each other in silence.他们默不作声地相互对视。
As night fell,everything was in silence.夜幕降临,一切静悄悄。
silence gives consent|consent|silence
If you say nothing or do not say no to something, it means that you agree.

A proverb.
Don't be afraid to say, if you don't like something. Silence gives consent.
conspiracy of silence
conspiracy of silence A tacit or explicit agreement to keep something secret. For example,
In this state's medical society there is a conspiracy of silence regarding incompetent practitioners. This term was first used as a complaint about lack of attention, but today it more often refers to remaining silent about something unfavorable or criminal. [Late 1800s]