Ⅰ动词 1.(称赞; 承认优点) praise 短语和例子 推许 esteem and commend; 赞许 praise; commend2.(答应) promise 短语和例子 他许过我一张票。 he promised me a ticket. 他许下要给大报酬的诺言。 he made promises of a large reward.3.(允许; 许可) allow; permit 短语和例子 此处不许吸烟。 smoking is not permitted here. 每人只许携带50公斤行李。 only fifty kilos are allowed for personal luggage. 只许前进, 不许后退。 no retreat is allowed, only advance.4.(许配)engage to; affianced to sb. Ⅱ副词 1.(也许; 或许) maybe; possibly; perhaps 短语和例子 他今天没来, 许是生病了。 he didn't come today; perhaps he's ill. 他许不来了。 perhaps he isn't coming. 天这么黑, 许是要下雨吧。 it's so dark. perhaps it's going to rain.2.(表示程度或大约的数目) about; approximately 短语和例子 年许四十 about forty years old; 少许 somewhat; a littleⅢ名词 1.[书面语] (处; 地方) place 短语和例子 何许人? where does the person come from?2.(周朝国名) xu, a state in the zhou dynasty 3.(姓氏) a surname 短语和例子 许慎 xu shen