"the shrieks of unwary animals taken by surprise" "some thieves prey especially on unwary travelers" "seduce the unwary reader into easy acquiescence"
Unwary spectators are sometimes injured by the explosions.
The courts should..protect the unwary from possible error.
牛津高阶第八版
美国韦氏词典
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维基百科 (自由的百科全书)