European Press Review: China's Chance to Show True Colors
Europe's media reflect global outrage over the protest crackdown in Myanmar, agreeing that China must do what it can to prevent further bloodshed.
（pl.） 軍隊; （pl.） （身分・所属を表す）色リボン［バッジ，服］など;
show one's (true) colors / show oneself in one's true colors 本性を現す.
killing and violence:
The army was brought in to try to prevent further bloodshed.