(每日一词）stealthy

Stealthy /ˈstelθi/ adj. 偷偷摸摸的；隐秘的；悄无声息的；不引人注意的

核心的感觉: stealthy = trying not to be seen or heard

1) 熟词: steal 偷

2) 后缀: -th 名词后缀, 比如health, wealth, length 

3) 后缀:- y 形容词后缀, rainy, windy 

e.g. She took a stealthy glance at her phone during class. 她上课时偷偷瞥了一眼手机。