cutoff:1.砍掉.2.中断3.阻断4.被(疾病)夺取生命.5.分离,隔绝.

　　例如:1.Hecutoffabranchfromthetree.

　　2.Theywerecutoffinthemiddleoftheirtelephoneconversation.

　　3.Theywerecutoffbytheriver.

　　4.Shefeltcutoffbythehairshort.

　　cutup:1.切碎2.悲痛3.摧毁.

　　例如:1.Hecutupvegetablesintosmallpieces.

　　2.Shewasreallycutupwhenallherfriendsrefusedtohelpher.

　　3.Theirhousewasbadlycutupinthecarthquake.

　　cutdown:1.砍倒.2.减少.3.(疾病等)夺取生命.4.改短(衣服).5.删减(文章)

　　6.说服

　　例如:1.Hewascutdownbycanceratearlyage.

　　2.Hecutdownapairoftrousers.

　　3.Hemanagedtocuttheshopkeeperdownto$50forthecoat.

　　cutin:1.插话.2.插队.

　　例如:1.Don'tcutinontheirconversation.

　　2.Thedrivernearlycausedanaccidentbycuttingin.