to stroll; to walk (an animal)

variant of 逗留[dou4 liu2]

lit. to see whether it's a mule or a horse, take it out for a walk (idiom); fig. the proof of the pudding is in the eating; to show what one is made of

see 是騾子是馬，牽出來遛遛|是骡子是马，牵出来遛遛[shi4 luo2 zi5 shi4 ma3 , qian1 chu1 lai5 liu4 liu5]