sneak

鬼鬼祟祟做事

to go stealthily or furtively; put, bring, or take in a secretive or furtive manner

偷偷地做

to go stealthily or furtively; put, bring, or take in a secretive or furtive manner

鬼鬼祟祟的人, 偷偷摸摸的行为, 帆布胶底运动鞋

a person who is regarded as underhanded and furtive and contemptible

暗中进行的