s carefully observant or attentive; on the lookout for possible danger
常见例句
1
a fiercely vigilant and unpleasant woman n
2
usually represented as breathing fire and having a reptilian body and sometimes wings n a fiercely vigilant and unpleasant woman n a faint constellation twisting around the north celestial pole and lying between Ursa Major and Cepheus n any of several small tropical Asian lizards capable of gliding by spreading winglike membranes on each side of the body
3
not prepared or vigilant
4
s not prepared or vigilant
5
n the process of paying close and continuous attention n vigilant attentiveness
