唉 (āi/ài) means "Alas, oh, or a sigh." in Chinese. It has 10 strokes with the radical 口, and is HSK Level 7.
Rated 4.2/5 in difficulty (advanced).
Harder than 48% of HSK Level 7 characters.
Appears in 3+ common words including 唉呀 (āi ya), 唉 (ài), 唉声叹气 (āi shēng tàn qì).
Due to its 10 strokes, Hanzi Writer's error detection shows 唉 requires focused practice — most learners need 10+ attempts for consistent accuracy.
Open Hanzi Writer to see the animated stroke order and practice writing 唉 with real-time feedback.
The character 唉 (āi/ài) is written with 10 strokes. Follow the standard Chinese stroke order: top to bottom, left to right, outside before inside. The radical 口 is one of its key components.
Practice the correct stroke order with the Hanzi Writer app to see animated stroke-by-stroke guidance with real-time feedback.
唉 means Alas, oh, or a sigh..
This is a polyphonic character with readings: āi, ài.
As an HSK Level 7 character, 唉 is an intermediate-level character.
口 (mouth) indicates the sound of sighing, while 矣 (yǐ) provides the phonetic hint and suggests a completed action, together depicting the exhalation of a sigh. In ancient usage, 唉 imitates the sound of a sigh or lament, like saying 'alas.'
💡 Memory Tip: Picture a mouth (口) letting out a long 'aai' sigh, with the 矣 part looking like a person slumping in resignation.
唉呀,我忘了带钥匙。
āi ya wǒ wàng le dài yào shi
Oh no, I forgot to bring my keys.
唉,真可惜。
ài zhēn kě xī
Alas, what a pity.
别总是唉声叹气。
bié zǒng shì āi shēng tàn qì
Don't always sigh and groan.
Open Hanzi Writer to see the animated stroke order and practice writing 唉 with real-time feedback.
✨ Animated stroke order · Handwriting recognition · HSK-graded practice · Free to use
The left part is the radical 口 (mouth), showing that 唉 is related to sounds or speech. The right part 矣 provides the pronunciation āi and completes the character, so 唉 represents a sigh or exclamation made with the mouth.