Usage note
选手是指参加比赛的人。比如,运动会上有很多选手在跑步。
Xuǎnshǒu shì zhǐ cānjiā bǐsài de rén. Bǐrú, yùndònghuì shàng yǒu hěnduō xuǎnshǒu zài pǎobù.
Contestant refers to a person who participates in a competition. For example, at the sports meet, there are many contestants running.