full of danger or risk 充满危险的 a perilous journey south. 危险的南部旅行。 ■exposed to imminent risk of disaster or ruin 濒临灾难(或毁灭)的 the economy is in a perilous state. 经济处于崩溃状态。
派生 perilously adverb perilousness noun 语源
Middle English: from Old French perillous, from Latin periculosus, from periculum 'danger' (see peril)