1. 字音聲調古時四聲即是國音分陰陽平四聲即是

the four tones of classical Chinese phonetics, namely: level or even tone 平聲, third tone 上聲, fourth tone 去聲, entering tone 入聲, the four tones of modern standard Chinese pronunciation, namely: First or high level tone 陰平聲, Second or rising tone 陽平聲, Third or low-falling-raising tone 上聲, Fourth or falling tone 去聲
quatre tons
die vier Töne (des modernen Hochchinesisch)​