First, the meaning is different.
1, tranquility: refers to peace, calmness and silence.
Although there are clogs everywhere in the street, the house is as quiet as sleeping.
2. Quiet: It is also a kind of "quiet" state of mind in poetry to describe silence or sadness.
A little soft music broke the silence of the night.
Second, the citation is different.
1, be quiet
Quotations: Modern Mao Dun's color blindness: "Lin Baishuang gradually quieted down."
Step 2 be quiet
Quote: Liang Bin's "Red Flag Spectrum" 16: "Chunlan opened her big black eyes and looked at Yuntao quietly."
Third, the usage is different.
1. Quiet generally only describes the quiet and calm environment, relative to noise.
2. Silence is a state of mind, more refers to the state of self-reflection and introspection. It is also a "quiet" state of mind in poetry.