更多人加入抗议后，局势升级了。
The situation escalates when more people join the protest.
当更多人加入抗议时，局势升级了。
The situation escalated when more people joined the protest.
日方扣留中方船长是双方紧张局势升级。
Tensions had escalated since Japan detained the Chinese captain.
dict.youdao.com局势升级为武装部队和孩子之间的最后摊牌。
The situation escalates into a final showdown between armed forces and the children.
dict.youdao.com我也希望国际社会能发挥作用，避免使局势升级。
I also hope that the international community will play its part, so that the situation doesn't escalate.
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