1. N-COUNT The sidelights on a vehicle are lights on its sides. 側燈[美國英語]

2. N-COUNT The sidelights on a vehicle are the small lights at the front that help other drivers to notice the vehicle and to judge its width. (車輛前面的)位置燈[英國英語]

3. N-COUNT A sidelight on a particular situation is a piece of information about that situation which is interesting but which is not particularly important. 側面消息[oft N 'on' n]

The book is full of amusing sidelights on his family background. 這本書中有許多關于他家庭背景的趣聞。