Gazette (verb)

●To announce or publish (something) in an official gazette.（刊憲） 　　

Examples：

1.This is the same Minister who sacks boards of trustees without gazetting it.

2.We will need to gazette the bill if a decision cannot be reached imminently.　　

Pigs might fly (idiom)

●Something that you say which means you think there is no chance at all of something happening.

（不可能發生的事，太陽從西邊出來）

Examples：

1.Tom gives up smoking? Yes , and pigs might fly！

2.I'll have finished it by tomorrow." "And pigs might fly!"

In keeping with sth (idiom)

●Conforming to something; in harmony with something.（與…一致，符合…）

Examples:　　

1.In keeping with tradition, they always have turkey on Christmas Day.　　

2.His actions are not in keeping with his words.

Alarmist (adj.)

●Intentionally showing only the bad and dangerous things in a situation, and so worrying people.

（危言聳聽，大驚小怪的）

Examples:　　

1.The government has dismissed newspaper reports of 200 dead as being alarmist.　　

2.Some people have worried that parts of the series were overly alarmist.

Sit/stand idly by (idiom)

●To remain indifferent, doing nothing to help.

　　（坐視不理）

Examples：

1.I do not intend to stand idly by while my children need my help.　　

2.The wealthy man sat idly by while the poor people starved.