throw sth off
produce or compose sth in a casual way, without apparent effort 轻易做成某事物
threw off a few lines of verse 随笔写出几行诗. throw sth/sb off manage to get rid of sth/sb 摆脱某事物[某人]
throw off a cold, a troublesome acquaintance, one´s pursuers 治好伤风、 摆脱一个讨厌的认识的人、 甩掉紧追不放的人.