retaliation

他警告说任何攻击都会遭到迅速报复。

He warned that any attack would be met with swift ___retaliation.

他担心举报公司的不当行为会遭到报复。

He was afraid of facing ___retaliation after exposing the company's misconduct.

该国实施经济制裁作为对贸易壁垒的报复。

The country imposed economic sanctions in ___retaliation for the trade barriers.