Hello,<br/><br/>1. What is the definition of 'but that' or its synonym? <br/><br/>2. Is 'but that' an idiom?<br/><br/>3. Could you give me some examples of 'but that' in sentences?<br/><br/>I have recently found 'but that' under the subordinate conjunctions on the Internet, <a href="http://web.cn.edu/kwheeler/grammar_subordinate.html"><a href='http://web.cn.edu/kwheeler/grammar_subordinate.html' target='_blank' rel='nofollow'>http://web.cn.edu/kwheeler/grammar_subordinate.html</a> </a>.<br/><br/>Thank you.<br/><br/>With best wishes.