The story behind duolingo | The founder of duolingo | lower intermediate

YouTube · Lazy Chinese · Learner content · 2025/08/05
2025/08/05
Speech duration
9min 12s
Unique characters · 79 once
232
Word count
1,133
Average sentence length
7.1
Length
11:18
Unique words · 88 once
201
Syllables per minute
177
Script
Simplified 简
Sentences
228
Difficulty
Pre-Intermediatedifficulty

Difficulty is estimated from vocabulary: knowing common words through Level 23 covers about 95% of the words in this content — roughly 1 unfamiliar word in 20, the coverage research links to comfortable listening. Level 23 sits in the Pre-Intermediate range.

How difficulty works
Pre-Intermediate · 23

Difficulty is estimated from vocabulary: knowing common words through Level 23 covers about 95% of the words in this content — roughly 1 unfamiliar word in 20, the coverage research links to comfortable listening. Level 23 sits in the Pre-Intermediate range.

TAGSLearner contentVlogLanguage lesson

Vocab coverage

The Level you need to know each share of this video’s words. The dark 95% step is its difficulty.

HSK 3.0 coverage

Which HSK 3.0 list each of this video’s words comes from.

  • HSK 1 67%
  • HSK 2 6%
  • HSK 3 8%
  • HSK 4 6%
  • HSK 5 1%
  • HSK 6 1%
  • HSK 7–9 0%
  • Not on HSK 11%

Cumulative: HSK 1–4 covers 87% of the words, HSK 1–6 covers 89%, HSK 1–9 covers 89%.

Words to learn first

Pick a level to see the words a learner there needs to understand 95% of this video’s words.

Starting from zero (Beginner), learn 139 words to reach 95% of this video’s words.

The 20 most-used of these 139 words.

WordPinyinMeaning (CC-CEDICT)In videoLevel
的deof; ~'s (possessive particle); (used after an attribute when it modifies a noun); (used at the end of a declarative sentence for emphasis); (used after a noun, verb or adjective to form a nominal expression, as in 皮革的[pi2 ge2 de5] "one made of leather" or 跑堂兒的|跑堂儿的[pao3 tang2 r5 de5] "a waiter (literally, one who runs back and forth in a restaurant)" or 新的[xin1 de5] "new one"); also pr. [di4] or [di5] in poetry and songs; really and truly; a taxi; a cab (abbr. for 的士[di1 shi4]); (bound form) bull's-eye; target86Lv 1
很hěnvery; quite; (also, often used before an adjective without intensifying its meaning, i.e. as a meaningless syntactic element)48Lv 1
我wǒI; me; my42Lv 1
他tā(third-person singular) (since the early 20th century, usu. male) he; him; his; (bound form) other; another; some other (as in 他日[ta1 ri4] and 他人[ta1 ren2])37Lv 1
这个zhè gè(pronoun) this; (adjective) this34Lv 1
你nǐyou (informal, as opposed to courteous 您[nin2]); you (Note: In Taiwan, 妳 is used to address females, but in mainland China, it is not commonly used. Instead, 你 is used to address both males and females.)29Lv 1
多duōmany; much; more; a lot of; too many; in excess; (after a numeral) ... odd; how (to what extent) (Taiwan pr. [duo2]); (bound form) multi-; poly-28Lv 2
是shìto be (followed by substantives only); correct; right; true; (respectful acknowledgement of a command) very well; (adverb for emphatic assertion); variant of 是[shi4]28Lv 1
不bùno; not so; (bound form) not; un-27Lv 1
嗯ng(a groaning sound); (nonverbal grunt as interjection); OK, yeah; what?; interjection indicating approval, appreciation or agreement27Lv 2

Is this video right for my Chinese?

An 11-minute video from Lazy Chinese with 9 minutes of speech at 177 syllables per minute. It's 1,133 words long, using 201 different words. Difficulty: Pre-Intermediate, Level 23 — it suits Pre-Intermediate learners: knowing the common words through Level 23 covers about 95% of its words, roughly 1 unfamiliar word in 20. Words to learn first include 的, 很, 我.