silent
英 ['saɪlənt]
美['saɪlənt]
	    - adj. 沉默的;寂静的;无记载的
 - n. 无声电影
 
英英释意
- 1. marked by absence of sound;
 - "a silent house"
 - "soundless footsteps on the grass"
 - "the night was still"
 
- 2. failing to speak or communicate etc when expected to;
 - "the witness remained silent"
 
- 3. indicated by necessary connotation though not expressed directly;
 - "gave silent consent"
 - "a tacit agreement"
 - "the understood provisos of a custody agreement"
 
- 4. not made to sound;
 - "the silent `h' at the beginning of `honor'"
 - "in French certain letters are often unsounded"
 
- 5. having a frequency below or above the range of human audibility;
 - "a silent dog whistle"
 
- 6. unable to speak because of hereditary deafness