unwary

不警覺的、不謹慎的、粗心的

Unwary tourists are often overcharged by taxi drivers here.

不夠警覺的觀光客在這裡常被計程車司機超收車資。

容易上當的、易受騙的

The scam is designed to trap unwary online shoppers.

這種騙局專門用來坑那些容易上當的網購族。

粗心的人、不警覺的人常與 the 連用

The steep cliff path holds many dangers for the unwary.

這條陡峭的崖邊小徑對粗心的人來說危機重重。