sound · noun C or U /sɑʊnd/Full view
sound
A2 something that you hear or that can be heard
Dictionary examples:

They could hear the sound of a bell tolling in the distance.

She stood completely still, not making a sound.

Sound can travel over very large distances in water.

Learner example:

I can help with the decoration, the lights and the sound. (Key English Test; A2; Spanish)

the sound of sth
C2 how something seems to be, from what you have been told or heard
Dictionary examples:

I like the sound of the beef in red wine sauce.

He's really enjoying college, by the sound of it.

safe and sound
C2 completely safe and without injury or damage
Dictionary example:

After three days lost in the mountains, all the climbers arrived home safe and sound.

Learner example:

So, by the time you read this letter I'll probably be safe and sound in Liverpool. (Certificate of Proficiency in English; C2; Dutch)

sound · verb /sɑʊnd/
sound good/interesting/strange, etc.
A2 to seem good, interesting, strange, etc. from what is said or written
Dictionary examples:

Your job sounds really interesting.

I know it sounds silly, but I'll miss him when he's gone.

You're going skiing with three friends? That sounds like fun.

Learner example:

How about painting the floor with white paint and the walls wit[h] black paint? I think it sounds fun. (Key English Test; A2; Portuguese)

sound like/as if/as though
B1 to seem like something, from what you have heard or read
Dictionary examples:

That sounds like a really good idea.

It sounds like you've got a sore throat.

It sounds as if they had a good holiday.

Learner example:

It sounds like your new trousers are very nice. (Preliminary English Test; B1; German)

sound angry/happy/rude, etc.
B2 to seem angry, happy, rude, etc. when you speak
Dictionary examples:

He sounded very depressed when we spoke on the telephone yesterday.

At the press conference, he sounded at his most relaxed.

Learner example:

He sounded so excited! (First Certificate in English; B2; Greek)

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