sneaked
v. 溜进；潜行（sneak 的过去式）
例句
We sneaked a look at her diary.
我们偷偷看了一眼她的日记。
《牛津词典》
I sneaked up the stairs.
我蹑手蹑脚地上了楼。
He sneaked up on his sister and shouted 'Boo!'.
他偷偷溜到妹妹身边，然后大喊一声“嘿！”
