sìshēng

Traditional: 四聲

the four tones of classical Chinese phonetics, namely: level or even tone [[平聲|平声]], third tone [[上聲|上声]], fourth tone [[去聲|去声]], entering tone [[入聲|入声]] / the four tones of modern standard Chinese pronunciation, namely: First or high level tone [[陰平聲|阴平声]], Second or rising tone [[陽平聲|阳平声]], Third or low-falling-raising tone [[上聲|上声]], Fourth or falling tone [[去聲|去声]]