knock at an open door
英
美
- an art.（用在元音音素前）一
- at prep.在;向，朝;处于…状态;在…远;（用于速度、比率等）以，达
- door n.门；门口；途径
- knock v.敲击；互撞；攻击n.敲；敲门；敲打
- open adj.开着的；开放的；公开的v.打开；张开；展开；摊开；开始(某事物)；开张；营业；以…开头；宣布启用n.户外；公开
- During the orderly voting, the mission did indeed look like an extravagance.
在有秩序的投选过程中，非洲考察这项任务的确看起来是多此一举。
