unwary

1. ADJ If you describe someone as unwary, you mean that they are not cautious or experienced and are therefore likely to be harmed or deceived. 不警覺的[正式] [usu ADJ n]

With its quicksands the river usually drowns a few unwary visitors every season. 這條有流沙的河每季都要淹死一些不警覺的遊客。

2. N-SING The unwary are people who are unwary. 不警覺的人['the' N]

Specialist subjects are full of pitfalls for the unwary. 專業課程裡充滿了欺騙不警覺的人的陷阱。