The expression probably began because the jungle is filled with wild animals and unknown dangers that threaten people.

VOA: special.2010.05.16

But one day, very soon after their marriage, Aylmer looked at his wife with a troubled expression.

VOA: special.2009.09.26

That expression comes from the days when people slept on beds filled with dried grass or hay.

VOA: special.2009.09.20

Now,people use the expression to mean to prepare for dealing with any kind of trouble.

VOA: special.2009.05.24

Throwing cold water also is an expression that deals with ideas or proposals.

VOA: special.2009.05.10

A political expression with a similar meaning is the last hurrah.

VOA: special.2010.04.11

They looked into the cameras with a neutral facial expression.

VOA: special.2009.11.24

Then she looked into it with a serious expression.

VOA: special.2009.12.12

And that's one of the things Jacob was noted for. His level of expression is so profound that even with a few strokes, he can pick up the action and show it to you".

VOA: special.2009.09.02

Among the flower arrangements is an expression of sympathy with the Kyrgyz people from the Talas Gold Mining Company.

VOA: standard.2010.04.15

To that end, she says the United States will work with other nations to protect freedom of expression and fight against discrimination and negative stereotyping.

VOA: standard.2009.09.14

The study suggests that the Obama administration work with Middle Eastern allies to repeal laws that restrict citizen freedoms, hinder political activities or suppress freedom of expression and assembly.

VOA: standard.2010.05.19

Clinton's comments at a joint press event with the Uruguayan leader were the highest-level expression of U.S.concern thus far about a Venezuelan arms buildup that gained momentum with an announcement this week that the South American state will buy Russian battle tanks and anti-aircraft missiles.

VOA: standard.2009.09.15