secretly stealthily covertly on the sly
He stole a glance at the clock behind her.
他偷偷地看了一眼她背后的钟。
—— 柯林斯例句There was barely time for the two boys to escape unseen.
两个男孩想趁人不备偷偷溜走几乎是来不及的。
—— 柯林斯例句I would creep in and with stealthy footsteps explore the second-floor.
我会偷偷溜进去,轻手轻脚地查看一下二楼。
—— 柯林斯例句The tourists snigger at the locals´ outdated ways and dress.
游客们偷偷地取笑当地人落伍的做法和衣着。
—— 柯林斯例句His parents had spirited him away to the country.
他的父母偷偷地将他带到了该国。
—— 柯林斯例句