- vibrations that travel through the air or another medium and can be heard when they reach a person's or animal's ear声：
light travels faster than sound.
光比声传播得快。
- count noun a group of vibrations of this kind; a thing that can be heard声音：
she heard the sound of voices in the hall
她听见大厅里有说话声
don't make a sound.
不要出声。
- the area or distance within which something can be heard听力范围; 听距：
we were always within sound of the train whistles.
我们总是处在听得见火车汽笛声的范围内。
- short for SPEECH SOUND.SPEECH SOUND的简称。
- the ideas or impressions conveyed by words言外之意, 意味：
you've had a hard day, by the sound of it.
听得出来, 你度过了艰难的一天。
- （亦作musical sound）sound produced by continuous and regular vibrations, as opposed to noise乐音。
- music, speech, and sound effects when recorded, used to accompany a film or video production, or broadcast（电影、录像或广播中的）音响效果：
as modifier a sound studio.录音棚。
- broadcasting by radio as distinct from television无线电广播。
- the distinctive quality of the music of a particular composer or performer or of the sound produced by a particular musical instrument（某个作曲家或表演者的）音乐的独特风格; （某种乐器的）独特音色：
the sound of the Beatles.
甲壳虫（或披头士）乐队的演唱风格。
sounds
informal music, especially popular music〈非正式〉音乐（尤指流行音乐）：sounds of the Sixties.
60年代的流行音乐。
- emit sound发出声音：
a loud buzzer sounded.
蜂鸣器大声地响起来。
- with obj. cause (something) to emit sound使（某物）出声：
she sounded the horn.
她鸣了喇叭。
- with obj. give an audible signal to warn of or indicate (something)发出声响警示（或告知）（某事）：
a different bell begins to sound midnight.
另一口钟开始宣告午夜到来。
- with obj. say (something); utter说; 发出：
a Labour back-bencher sounded a warning.
一名工党普通议员发出了警告。
- convey a specified impression when heard听起来：
with complement he sounded worried.他听起来似乎很担心。
- (of something or someone that has been described to one) convey a specified impression（向人描述的某人或某事）听上去：
it sounds as though you really do believe that
听起来你似乎真的相信那件事情
with complement the house sounds lovely.那房子听起来很不错。
- with obj. test (the lungs or another body cavity) by noting the sound they produce听诊（肺或其他体腔）：
the doctor sounded her chest.
医生听诊她的胸腔。
soundless
adjectivesoundlessly
adverbsoundlessness
nounsound off
- express one's opinions in a loud or forceful manner慷慨陈词。
- in good condition; not damaged, injured, or diseased完好无损的; 没有受伤的; 健康的：
they returned safe and sound
他们安全地返回, 毫发无损
he was not of sound mind.
他的心智不健全。
- based on reason, sense, or judgement明智的; 合理的：
sound advice for healthy living
对于健康生活的合理建议
the scientific content is sound.
这一科学内容是正确的。
- competent, reliable, or holding acceptable views有能力的; 可靠的; 有稳妥见解的：
he's a bit stuffy, but he's very sound on his law.
他这个人有点古板, 但他的办事原则还是非常可取的。
- financially secure资金充实的：
she could get her business on a sound footing for the first time.
她第一次能让她的企业建立在稳固的资金基础上。
- Brit. informal excellent〈英, 非正式〉非常棒的：
He ate his lasagne with relish. 'It's sound, this.'
他津津有味地吃着宽面条。“味道好极了, 这面条。”
- (of sleep) deep and undisturbed（睡觉）很熟的, 很沉的。
- (of a person) tending to sleep deeply（人）容易酣睡的。
- severe严厉的：
such people should be given a sound thrashing.
这种人就应该被痛打一顿。
- soundly酣畅地：
he was sound asleep.
他睡得很熟。
(as) sound as a bell
- in perfect condition情况极佳。
soundly
adverbsoundness
noun- with obj. ascertain (the depth of water in the sea, a lake, or a river), typically by means of a line or pole or using sound echoes（多指用绳索、杆或通过回声）探测（海洋、湖泊、河流等的水深）。
- find the depth of water in (a ship's hold)测量（船底舱）的水深。
- Medicine examine (a person's bladder or other internal cavity) with a long surgical probe【医】用探子检查（人的膀胱或其他内腔）。
- with obj. question (someone), typically in a cautious or discreet way, as to their opinions or feelings on a subject试探; 探询：
we'll sound out parliament first.
我们要先试探一下议会。
- inquire into (someone's opinions or feelings) in this way试探（某人的意见或感受）：
officials arrived to sound out public opinion at meetings in factories.
官员们来到工厂参加会议探询公众意见。
- no obj.(especially of a whale) dive down steeply to a great depth（尤指鲸鱼）向深海潜入。
- a long surgical probe, typically with a curved, blunt end（检查体腔的）医用探子。