Each colour is one part of the character. Parts repeat across thousands of characters, so learning them makes new words easier. See all 214 in our radicals chart.
肆sìfour
镸long form of 長 · cháng
聿brush · yù
无wúnot to have
一one · yī
尢lame · wāng
忌jìto be jealous of
己self · jǐSound part
心heart · xīnMeaning part
心 hints at the meaning (heart); 己 (jǐ) hints at the sound. Compare it with jì.
惮dàndread
忄heart form of 心 · xīnMeaning part
单single · chánSound part
忄 hints at the meaning (heart); 单 (chán) hints at the sound. Compare it with dàn.
肆无忌惮 (sìwújìdàn) means “unrestrained” or “reckless”. It is an HSK 6 word.
Say it sìwújìdàn: sì with a 4th tone, then wú with a 2nd tone, then jì with a 4th tone, then dàn with a 4th tone. Press Listen at the top of this page to hear it, or Slowly to hear each tone clearly.
In Traditional characters, used in Taiwan and Hong Kong, 肆无忌惮 is written 肆無忌憚. The pronunciation is the same.
Add a Chinese (Simplified) pinyin keyboard to your phone or computer, type siwujidan with no tone marks or spaces, then choose 肆无忌惮 from the suggestions. Typing siwujidan into this dictionary’s search box finds it too.
肆无忌惮 is an HSK 6 word in the HSK 2.0 word lists.
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Sources: meaning and pinyin checked by a native Mandarin teacher against the official HSK lists. Extra meanings from CC-CEDICT (CC BY-SA 4.0). Example sentences written by WillyChina. Character parts and stroke order from Make Me a Hanzi.