副词

1. 恶劣的；危险的
If something is in a parlous state, it is in a bad or dangerous condition.

1. fraught with danger

e.g. dangerous waters
a parlous journey on stormy seas
a perilous voyage across the Atlantic in a small boat
the precarious life of an undersea diver
dangerous surgery followed by a touch-and-go recovery

Synonym: perilousprecarioustouch-and-go