•Stamp sth out (phrasal verb) - To end something bad or unpleasant by taking strong and determined action.（镇压，平息）
1.It is our duty to stamp out any abuses of political power.
2.They have stamped out a revolt.
•Fig leaf (noun) - The type of leaf used in paintings to cover a naked person's sex organs; something used to hide an embarrassing or shameful problem.（（绘画和雕塑中用来遮掩人体私处的）无花果叶；遮羞布）
1.In the Bible, Adam and Eve used fig leaves to conceal their genitals after they became ashamed of their nakedness.
2.He used humor as a fig leaf to conceal the fact that he was struggling with depression.
•Backfire on sb (phrasal verb) - [For a scheme meant to cause harm to someone] to harm the person who runs the scheme.（适得其反，自食其果）
1.I hope this plan doesn't backfire on me.
2.Your plot backfired on you.
•Stand (sth) on its head (idiom) - To use something in a completely wrong way.（颠倒是非）
1.The basic problem is that your report turns history on its head.
2.You just stood your previous statement on its head, and now you're contradicting yourself.
•Mete out (phrasal verb) - To give or order a punishment or make someone receive cruel or unfair treatment.（给与、施加（惩罚…））
1.The same treatment should be meted out to politicians who break the rules.
2.In the past, schoolteachers regularly meted out physical punishment to their pupils.