Hi:<br/><br/>I checked the meaning of the word in my dictionary, and it says "too old"<br/><br/>I think if someone's too old, he'll lose his teeth, how could it be "long in the tooth"?<img class='emoticon' style='Width:19px;Height:19px;' data-delaysrc='https://uat-englishforward-forums-backend.s3.us-west-2.amazonaws.com/Emoticons/2.gif' src='https://uat-englishforward-forums-backend.s3.us-west-2.amazonaws.com/Emoticons/2.gif' alt='Emotion: big smile'/><br/><br/>-------------------<br/><br/>I've got my answer later:<br/><br/><a href="http://www.word-detective.com/070401.html#longinthetooth"><a href='http://www.word-detective.com/070401.html#longinthetooth' target='_blank' rel='nofollow'>http://www.word-detective.com/070401.html#longinthetooth</a> </a><br/><br/><img class='emoticon' style='Width:19px;Height:19px;' data-delaysrc='https://uat-englishforward-forums-backend.s3.us-west-2.amazonaws.com/Emoticons/4.gif' src='https://uat-englishforward-forums-backend.s3.us-west-2.amazonaws.com/Emoticons/4.gif' alt='Emotion: stick out tongue'/>