must not什麽意思

must not的意思是不能，不準，壹定不能。must not的例句：This information must not be disclosed without prior written consent（未事先征得書面許可，此消息不得泄露）。 擴展資料 must not的例句：We must not become complacent about progress（我們決不能因進步變得自滿）；She knew she must not fall prey to his charm（她清楚她絕不可以被他迷住）。