He will say so, and you may disagree with him too - politely, of course!
你也可能會不同意他的看法——當然,你應該禮貌地告訴他。
He explained that he had tried to fix the air-line to the supply line that ran round the port but could not because the fittings did not match.
他解釋說他想供氣管安裝到鋪設在碼頭周圍的供應管上,但因為接頭不相配而接不上。