但: Ⅰ副词(只) only; just; merely 短语和例子不求有功, 但求无过 do not hope to distinguish oneself, but only not to make mistakes; 但说无妨 just speak out what is on your mind; 在辽阔的原野上, 但见麦浪随风起伏。 on the vast fields
更: 更副词1.(更加) more; still more; even more 短语和例子更冷了 much colder; 更难 even more difficult; 问题更复杂了。 the problem became even more complicated. 他写的书很难懂, 他的讲演就更难懂了。 it is difficult to understand his