Yīng'ér zài gébì jiānshēngtíkū, chǎo de rén shuì bù zháo.
The baby next door was wailing shrilly, keeping everyone awake.
Tips
usage
尖声 'sharp/shrill voice' is the manner; 啼哭 'to wail and weep' is the action. Together a stock four-character description in fiction for an infant's scream or someone crying in panic.