资料来源 : pyDict

不留神的,不小心的,大意的

资料来源 : WordNet®

unguarded
     adj 1: lacking protection or a guard; "an unguarded gate"; "his
            unguarded queen was open to attack" [syn: {unprotected}]
     2: displaying or feeling no wariness; "an unguarded remark";
        "spilled the beans in an incautious moment" [syn: {incautious}]