sidelineside•line /'saɪdlaɪn/

n

1. C 副业；兼职

• She does a bit of teaching as a sideline. 她兼职教书。

2. [～s] 边线；场外地区

• The coach stood on the sidelines shouting instructions to his team. 教练站在场外大声喊着向队员们进行指导。

词组on the sidelines

1. 在场外

2. 当旁观者；当局外人

• It is impossible for you to be always on the sidelines. 你不可能永远都当局外人。