rú​láng​sì​hǔ

fierce and cruel

如狼似虎 rú​láng​sì​hǔ
fierce and cruel
literally "like wolves and tigers"; describes people who are ruthless, bestial, or predatory in their behavior
valiant and powerful
describes soldiers or warriors who are brave and imposing, possessing a fierce and mighty spirit
voracious
describes an action done with sudden, intense, or violent energy, such as eating or attacking a task with great speed

Frequency

Movie subtitles
0.180 per million appears in 0% of films
Written text
0.338 per million

Sources