Dog eat dog world
rjuːəfɔː ɹaʊfɔː kaɪəŋtuː s.i.ɜ dɛfaɪv s.i.5 dʒiːfɔː rjuːəfɔː ɹəfɔːɹuː kaɪətuːŋ s.i.ɜ də ʃɪfɔːdʒɪfɔː
In Chinese 弱肉强食的世界 (Ruò ròu qiáng shí de shìjiè)
This translates to 'the world where the weak are preyed upon by the strong,' a common Chinese idiom.
Example
"在这个弱肉强食的世界里,你需要变得更强大。"