stealthily
/ˈstelθɪli/ 11in a cautious and surreptitious manner, so as not to be seen or heard. "I woke up and stealthily crept downstairs"
adverb [方式副词]暗地里
Slowly and stealthily, someone was creeping up the stairs. 蹑手蹑脚地，有人正爬上楼梯。
单词造句:
Slowly and stealthily, someone was creeping up the stairs. 蹑手蹑脚地，有人正爬上楼梯。