no obj., with adverbial of direction
1- walk in a leisurely way散步, 闲逛, 溜达：
I strolled around the city.
我在城市里四处闲逛。
1.1
- figurative achieve a sporting victory easily, without effort〈 喻〉（体育比赛）轻而易举地获胜, 毫不费力地获胜：
the horse strolled home by 12 lengths.
该马以12马身距离轻松地率先到达终点。
1
- a short leisurely walk散步, 溜达。
1.1
- figurative a victory or objective that is easily achieved〈 喻〉轻松获胜; 轻松达到目标。
词源
early 17th cent. （in the sense 'roam as a vagrant'）： probably from German strollen, strolchen, from Strolch 'vagabond', of unknown ultimate origin.