(1)put, bring, or take in a secretive or furtive manner; "sneak a look"; "sneak a cigarette"
(2)秘密またはひそかな方法で置く、持ち込むまたは受け入れる
(1)sneak a look
(2)盗み見る
(3)sneak a cigarette
(4)タバコをくすねる