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1·under one's nose

公然

2·Under one's nose.

在某人鼻子底下。

3·When sneaking around in places one is not supposed to be, one should tie a handkerchief around one's head and under one's nose.

当在一个不允许进入的地方鬼祟行动时，应该要用围巾绕过鼻子下来包里著头。

4·It's hard to perceive the shadow behind sweet gifts; the easy profit under one's nose prevents the eyes from seeing other things.

甜美礼物背后的阴影往往不易察觉，因为眼前不劳而获的利益阻挡了眼睛看见其他东西的可能性。