Did you mean: shisheng xisheng susheng zisheng cisheng sicheng ?
死 |
sǐ shēng | life or death / critical (event) |
四 |
sì shēng | the four tones of Middle Chinese: level tone 平声, rising tone 上声, departing tone 去声 and entering tone 入声 / the four tones of Modern Standard Mandarin |