不过: only; just; merely; nothing ...端: end; extremity不过端短节: n nipple; no-go landing nipple; no-go nipple不过端量规: no go gauge; no-go gauge; not go gage; not-go gauge不过端限规: no-go gauge过端不过端检查: go-no-go check过端不过端量规: go no go gauge不过端台阶面: no-go base螺纹验规不过端: no-go thread gage荒前部间隙过端不过端量规: go no go headspace gauge机心前部间隙过端不过端量规: go-no-go headspace gauge过端: go side; go-no-go gauge通过端: go side不过: 1.(只; 仅仅)only; just; merely; nothing but; no more than 不过是个烟幕 no more than a smoke screen; 他参军时不过十七岁。 he was only seventeen when he joined the army.2.(用在后半句的开头, 表示转折) but; nevertheless; however; only; except that 难是难些, 不过他还是成功了。 it was hard indeed, but he made it. 这篇作文还不错, 不过还可以改进 the composition is all right, but there is room for improvement. 她精神还不错, 不过胃口不太好。 she feels pretty well, but she hasn't much of an appetite.3.(用在形容词性的词组或双音形容词后面, 表示程度最高) 那就再好不过! it couldn't be better!; that would be superb过端量规: go gauge; go-gage; gogauge通过端极限: go limit通过端量规: go gauge【机械工程】通过端。: go side不通过端量规: not go side熬不过: be unable to sustain; be unable to endure别不过: unable to dissuade不过……而已: nothing but不过,当然: allerdings不过,仅仅: no more than不过饱: insatiety