Some hide behind the mask of performance.

有些人躲在“表现”这个面具后。

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He does not need to hide behind a mask. He throws off unrealistic 5self-images of inferiority or superiority.

他不需戴上面具来掩饰自己，5他丢弃自卑或自以为是那些不切实际的自我想象。

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Hide the edges smoothly using a gradient mask. Pick the gradient Tool, create the below gradient in the Options Panel.

使用渐变遮罩使边缘平稳地消失。选择渐变工具，在选项面板中创建下面的渐变。

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Thanks to a few pesky Internet lawyers, people who make nasty comments on the web may soon find it harder to hide behind the mask of anonymity.

FORBES: Lawsuits Against Web Trolls?Are On The Rise

The normal reaction would be to try to match-up the colors, hide the joints or otherwise mask the problem.

FORBES: Connect

The SIA uses 3MMA to mask cycles within the quarter, which often would hide the underlying trends.

FORBES: SIA Announces January Semiconductor Sales, Down 8.8%