at liberty
成語所屬單字liberty
at liberty — 慣用語
1. free rather than locked up, trapped, or under someone's control
1.慣用語
釋義
自由；未被捕
free rather than locked up, trapped, or under someone's control
例句
The escaped bird was still at liberty when the children went to bed.
Police believed the robber was at liberty somewhere near the river.