推移

tuī yí

HSK darajasi: HSK 7–9

Maʼnosi

(of time) to elapse; to pass; (of a situation) to develop; to evolve; to shift; to slide; to move smoothly and continuously along a surface

随着时间的推移，比赛增加了规则以使之更安全。

suí zhe shí jiān de tuī yí， bǐ sài zēng jiā le guī zé yǐ shǐ zhī gèng ān quán。

As time went on, rules were added to the game to make it safer.