4 10. The Supreme Court the lower courts ruling ◆ List of phrases act up调皮( misbehave badly) o The baby sitter had a difficult time. The children acted up all evening ◆(机器)运作不正常,故障,失灵( not to work properly for machine) ◆ The engine Is acting up ◆发动机出毛病了。 My bicycle is too old and is always acting up ◆我的自行车太旧了,老是出毛病 10. The Supreme Court the lower court’s ruling.  List of phrases:  act up 调皮 (misbehave badly)  The baby sitter had a difficult time. The children acted up all evening.  (机器) 运作不正常，故障，失灵(not to work properly for machine)  The engine is acting up.  发动机出毛病了。  My bicycle is too old and is always acting up.  我的自行车太旧了,老是出毛病