The cowardly lion, in the same movie, did have a heart.

VOA: special.2010.07.18

between a couple of states in Euboea, that said they would never use missiles of any kind, because that was cowardly.

有一款条约,其中写道他们永远不使用任何投掷物,因为那样很懦弱

耶鲁公开课 - 古希腊历史简介课程节选

You could say that the cowardly lion was chicken-hearted.

VOA: special.2010.07.18

That would be cowardly and dishonorable.

VOA: special.2010.07.22

"While accepting the fact that Major Nidal Malik Hasan practiced the Islamic faith, we offer no justification for his ungodly and heinous, cowardly act of violence,"

VOA: standard.2009.11.10

She strongly condemned the attack. "These attacks on innocent people are cowardly,"

VOA: standard.2009.10.28

One of the American observers, former U.S.Senator Gary Hart, praises the millions of voters who defied what he calls " a small group of cowardly people in the shadows who hate democracy."

VOA: standard.2009.08.22

La Russa said that the villainous and cowardly aggressors who have once again hit in the most vicious way should know Italy will not stop its mission, and will continue to assess it with its international allies.

VOA: standard.2009.09.17