Ma'anar ƙamus na kalmar " shiru" ita ce rashin hayaniya ko tashin hankali; zaman lafiya, nutsuwa, ko kwanciyar hankali. Hakanan yana iya komawa ga mutumin da aka keɓe ko ba ya son yin magana da yawa. A matsayin fi’ili, “shiru” na nufin sanya wani abu ko wani ya yi shiru ko ya natsu, ko ya yi shiru ko ya natsu.
..or as quiet as a shadow...
They're as quiet as shadows