sideline

• 名词，指运动场地的边线；也指主要工作之外的副业或兼职，以及商品的辅助系列。

A noun referring to a line marking the side boundary of a playing field, an auxiliary line of goods, or a secondary activity pursued alongside a main occupation.

1. Boundary lineB1formalsport

   A line that marks the side boundary of a playing field or court.

   边线

   • The ball went out of play over the sideline.
   • The coach stood on the sideline, shouting instructions.
   • Players must stay within the sidelines during the game.

   同义词boundary linetouchline

2. Auxiliary product lineB2formalbusiness

   An additional or secondary line of merchandise sold alongside a main product line.

   副线产品

   • The bakery introduced a sideline of gluten-free pastries.
   • The company's sideline of accessories boosted overall sales.
   • They developed a sideline of organic teas to complement their coffee.

   反义词mainstaystaple

3. Secondary activityB2formal

   An activity pursued in addition to one's main occupation or interest.

   副业

   • He runs a small photography business as a sideline.
   • Her sideline of freelance writing brings in extra income.
   • Many teachers take up tutoring as a sideline.

   同义词avocationdiversionhobbypastimespare-time activity

   反义词careermainstayoccupationprofessionvocation

• 动词，指阻止某人参与某项活动或决策，或使某人不再积极参与；也指把某人排除在核心之外。

A verb used to indicate the act of preventing someone from being involved in an activity or decision, or to remove someone from active participation.

1. Remove from active participationB2formal

   To cause someone or something to be less important or to be excluded from the main activity or focus.

   排挤

   • The injury sidelined the star player for the rest of the season.
   • Political infighting sidelined the proposed legislation.
   • She felt sidelined during the important negotiations.

   同义词benchexcludemarginalizerelegateshelveshunt

   反义词activatecentralizeengageincludeinvolve