v.(偷偷地)侧身而行；侧身挨近
n.侧身移动；侧身行进
If you sit at the back you can sidle out without anyone seeing you leave. 假如你坐在后面你可以溜出去而没人看见。
A man sidled up to me and asked if I wanted a ticket for the match. 一男子偷偷走到我跟前,问我要不要比赛票子。
