surreptitious
US /ˌsɝː.əpˈtɪʃ.əs/
UK /ˌsʌr.əpˈtɪʃ.əs/
形容詞
偷偷摸摸的
done secretly, without anyone seeing or knowing:
範例:
•
She seemed to be listening to what I was saying, but I couldn't help noticing her surreptitious glances at the clock.