Is it really free for 30 days?

Yes! Every new account gets 30 days of full premium access — no credit card required. You get unlimited flashcards, all HSK levels, and full analytics from day one.

What happens after 30 days?

After your free period ends, you can subscribe for $8 USD/month to keep full access. You can also invite friends to earn bonus days — each referral adds extra free time to your account.

How is HSK Lord different from Anki?

HSK Lord is purpose-built for Chinese learners. There's no setup, no hunting for decks, and no configuration. All 5,000+ official HSK words are built in with pinyin, definitions, and spaced repetition — ready to go in seconds.

Can I use it on my phone?

Absolutely! HSK Lord is fully responsive and works great on any device — phone, tablet, or computer. Just open your browser and start studying. No app download required.

What if I already know some Chinese?

Take our free placement test to find your level, or just pick the HSK level that matches your ability. You can start at HSK 1 or jump straight to HSK 6 — it's up to you.

Can I cancel anytime?

Yes, absolutely. There are no contracts or commitments. You can cancel your subscription at any time and you'll keep access until the end of your billing period.

What does 圆函数 mean in Chinese?

圆函数 (yuán hán shù) means "the trigonometric functions" in Chinese.

How do you pronounce 圆函数?

圆函数 is pronounced "yuán hán shù" in Mandarin Chinese. It is made up of 3 syllables.

What HSK level is 圆函数?

圆函数 is not part of the HSK vocabulary lists. It may be a specialized or advanced word.

What characters make up 圆函数?

圆函数 is made up of the characters 圆, 函, 数. Each character has its own meaning and can appear in other words.

How do you write 圆函数?

You can practice writing 圆函数 using our stroke order tool.

圆函数 (yuán hán shù) — the trigonometric functions | Chinese Dictionary

圆函数

yuán hán shù

the trigonometric functions

Traditional: 圓函數

Characters in This Word

圆函数

Definitions

the trigonometric functions

Example Sentences

Example sentences coming soon.

→

大部制(dà bù zhì)— super-ministry system (reform aimed at streamlining government department functions)

→

实变函数论(shí biàn hán shù lùn)— (math.) theory of functions of a real variable

→

折冲樽俎(zhé chōng zūn zǔ)— lit. to stop the enemy at the banquet table

→

HSK & Exam Info

This word is not part of the HSK vocabulary lists.

圆函数

Characters in This Word

Definitions

Example Sentences

Related Words

HSK & Exam Info

Frequently Asked Questions

圆函数

Characters in This Word

Definitions

Example Sentences

Related Words

HSK & Exam Info

Frequently Asked Questions