🇬🇧🇨🇳 sound - 完好无损的 : English Lesson

Meaning of "sound" ("完好无损的"), detailed definition, and a short video lesson below.

When something is sound, it is strong, healthy, and not broken. A sound bridge can safely hold cars. A sound chair doesn’t wobble or fall apart when you sit on it. A sound tree is alive and sturdy, not rotten inside. We can also call a person sound when they are healthy and their body is working well. If something is sound, it can be trusted to work the way it should.

Watch and listen to this English flashcard to understand the word in more detail, with an easy example sentence.

The roof is sound, which is why the rain had to find another victim: my shoes.

My bike is sound, which is impressive considering I ride it like a tiny maniac on a tiny rocket.

My backpack is surprisingly sound, despite carrying books, snacks, and three mystery items even I don’t remember packing.

The doctor said my heart was sound, even though it beats extra fast when I see pizza.

The fence is sound, so the dog has to use his sad eyes instead of escape plans.

Anna found a small boat by the shore, cracked paint but sound inside. She checked the bottom; it was sound. The oars looked thin, yet the knot held, and the oars were sound. She pushed the boat; it held water out and felt sound under her feet. She smiled, relieved the boat was sound and ready.

This word is at the C1 level, which means it’s part of advanced English. It’s used in sophisticated conversations, professional settings, and academic discussions. Words at this level help you express yourself fluently and precisely in nuanced situations.

Expanding your English vocabulary is one of the best ways to improve your pronunciation, spelling, and confidence in English. Watch the video above to memorize the word, understand its meaning, and see example sentences in action. Discover related words to grow your vocabulary naturally. Add words to your playlist for stress-free, effective learning—anytime, anywhere! Watch, learn, repeat.