Environmental pollution has a serious impact on human health.
echo/sound/noise/to make a sound/to sound/to ring/loud/classifier for noises
Hanzi
Grade
Grade 2
Pinyin
xiǎng
Bopomofo
ㄒㄧㄤˇ
Jyutping
hoeng2
Example sentences
Insufficient sleep affects health.
His speech had a great influence on young people.
This group is very influential in the international market.
Your mobile phone rang.
The bell is ringing clang clang.
A strange sound suddenly came from outside the window, and everyone stopped to listen.
The sound quality of this audio system is very excellent.
The sound effects of that dance hall are very good.
Example Vocabulary
Sottaku
About Sottaku
Sottaku is an app for learning Chinese, Japanese, Korean, English, Spanish, French, German, and Italian with a strong focus on SRS. It includes automatic flashcard creation for hundreds of thousands of words, grammar breakdowns in example sentences, language-specific study packs where available, adaptive quizzes, mobile apps, a browser extension, and community features. Give it a try now! All learning content is free with no limits on flashcards or study time.
Sottaku is built to match the habits of successful learners. By using Sottaku, you will naturally learn in the most efficient way possible, as proven by countless success stories in the language learning community.
Free Forever
Access all grammar guides, quizzes, and flashcards without paying a cent. Quality education should be accessible to everyone.
Smart SRS System
Our flashcard system uses the FSRS algorithm (also used in Anki) to optimize your review schedule and maximize retention.
Comprehensive Content
From hanzi, kana, hangul, and European vocabulary basics to grammar and reading practice where available, we have lessons for every level. Practice with quizzes tailored to your skill.
Community Chat
Ask level-appropriate questions and get help from the community. Learn together with fellow learners across all 8 supported languages.