豈但

Not only did he speak English well, but he spoke Japanese more easily. 他豈但英語(yǔ)說(shuō)得好，就連日語(yǔ)也講得滿(mǎn)輕松自如。

He not only had read the book, but (also) remembered what he had read. 他豈但讀過(guò)此書(shū)，還把所讀的內容都記住了。