形容词
1. 沉默的;不说话的
Someone who is silent is not speaking.
1. unable to speak because of hereditary deafness
2. having a frequency below or above the range of human audibility
e.g. a silent dog whistle
3. not made to sound
e.g. the silent `h' at the beginning of `honor'
in French certain letters are often unsounded
Synonym: unsounded
4. failing to speak or communicate etc when expected to
e.g. the witness remained silent
Synonym: mum
5. implied by or inferred from actions or statements
e.g. gave silent consent
a tacit agreement
the understood provisos of a custody agreement
Synonym: tacitunderstood
6. marked by absence of sound
e.g. a silent house
soundless footsteps on the grass
the night was still