nail your colours to the mast

成語所屬單字colour

nail your colours to the mast — 慣用語

1. To state your beliefs or opinions openly and firmly.

1.慣用語
釋義

公開表明立場

To state your beliefs or opinions openly and firmly.

例句

The senator nailed his colours to the mast on climate change.

Maya nailed her colours to the mast by supporting the new policy.