偷偷 tōu tōu stealthilysecretlycovertlyfurtivelyon the sly Example sentences 弟弟偷偷地从妈妈口袋里拿走了一百块钱。 dìdi tōutōu de cóng māma kǒudài lǐ názǒu le yībǎi kuàiqián. My little brother secretly took a hundred yuan from his mother's pocket