1.root out 根除

例句:The generals have to root out traitors.
将军们得把叛国者全部铲除。

2.keen to 热衷于

例句:They'll be keen to enhance their reputation abroad.
他们会非常渴望提高他们在国外的声誉。

3.be aware of 深知；意识到

例句:We are aware of the potential problems and have taken every precaution.
我们已意识到潜在的问题，并采取了全面的预防措施。

4.wage gap 工资差距

例句:We must gradually reduce the wage gap.
我们要逐步缩小工资差距。