Ijustwantatrim.Myhair'stoolong.我只想修一下。我的头发太长了。Trim修剪(剪得少)Myhairdressercutmyhairtooshort.Ijustwantedatrim.我的理发师给我剪得太短了。我只想要修一下。Canyoujusttrimtheback?可以只修......