on edge 紧张不安 例:Why a small China-made EV has global auto execs and politicians on edge? 为什么中国制造的小型电动汽车会让全球汽车高管和政界人士感到紧张?(CNBC,2024.3.24) take the edge off sth 削弱,减轻 例:take the edge off your hunger 充充饥;take the edge off your anger 消消火