sleuth

v [I] (infml joc 口, 谑) do detective work 侦查: I had to go out sleuthing to find your address. 我得出去侦查一番才找到你的住址.

sleeping policeman, sleeping sickness, sleeping-bag, sleeping-car, sleeping-pill, sleepless, sleeplessly, sleeplessness, sleepwalk, sleepwalker, sleepy, sleet, sleeve, sleeveless, sleigh, sleight, slender, slenderly, slenderness, slept, slew, slew (US also slue), slice, slick, slicker, slide, slide into, slide over, slide-rule, sliding door, sliding scale, slight, slightingly, slightly, slightness, slim, slime, sliminess, slimly, slimmer,