掐頭去尾
break off both ends; quote sth out of context
這部電影～后不到一小時。This film lasts no more than one hour if the beginning and end are cut off.
掐頭去尾qiā tóu qù wěi
掐：去掉。去掉前面和后面的部分。比喻去掉無用或多余的部分。leave out the beginning and the end, break off both ends, nip off unwanted parts, do away with unnecessary parts at both ends