我可以肯定地說(shuō)，不到那天我不會(huì)休息。I tell you this, I will not rest until that day has come.“ 我對(duì)機(jī)械一竅不通. ” 他肯定地說(shuō)." I know nothing whatever about mechanics, " he said decisively.孫小姐湊上去瞧,不肯定地說(shuō): “ 這像是西藥. ”Miss Sun came closer to look and sai...