偷偷 tōu tōu — stealthily
tōu (first tone, high and level) tōu (first tone, high and level)tou1 tou1
stealthily
Level 5· 2021 three-band, nine-level proficiency standardadverb
Meanings
stealthily
stealthily; secretly; covertly; furtively; on the sly
adverb