cut downcut down1)to get sth. down by cutting 1)to get sth. down by cutting 砍倒砍倒树被砍倒了树被砍倒了 ,, 因此老虎再也不能躲藏也不能捕食因此老虎再也不能躲藏也不能捕食 .. Trees are cut down so the tigers can no longer hide and hunt. Trees are cut down so the tigers can no longer hide and hunt. 2) to reduce the amount of sth.2) to reduce the amount of sth. 减少减少 (( 数量数量 ,, 规模规模 ))这个煤厂的规模被减为原来的一半这个煤厂的规模被减为原来的一半 ..The coal factory was cut down to half its former(The coal factory was cut down to half its former( 原来的原来的 ) size.) size.cut offcut off1) to separate sth. by cutting it from the main part. 1) to separate sth. by cutting it from the main part. 切断切断我们正在考试时突然停电我们正在考试时突然停电 ..Electricity was cut off when we were having an exam.Electricity was cut off when we were having an exam.2) 2) cut off from cut off from 与…隔断与…隔断那个荒芜的小山村完全与外界隔绝那个荒芜的小山村完全与外界隔绝 ..The deserted mountain village is completely cut off from the outsidThe deserted mountain village is completely cut off from the outside world. e world. cut intocut into to make sth. into… by cuttingto make sth. into… by cutting 切成切成妈妈叫我把肉切成片妈妈叫我把肉切成片 ..Mother told me to cut the meat into pieces.Mother told me to cut the meat into pieces.cut [sth.] upcut [sth.] up to cut into small piecesto cut into small pieces 切碎切碎他很生气他很生气 ,, 把书都弄碎了把书都弄碎了 ..He was so angry that he cut the book up.He was so angry that he cut the book up. turn turn n.n.该我做清洁该我做清洁 ..It’s my turn to do the cleaning.It’s my turn to do the cleaning. take turns (at) doing sth., take turns to do sth.take turns (at) doing sth., take tu...