intransitive. To engage in an additional activity or occupation, typically to earn extra income. Usually with in or as.
| 单词 | θ234361 |
| 释义 | society > leisure > sport > match or competition > take part in match or competition [verb (intransitive)] > engage in subsidiary sport (1) sideline1931 intransitive. To engage in an additional activity or occupation, typically to earn extra income. Usually with in or as. |
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