by and by
1. 不久
He'll come back by and by.
他不久就会回来。
by and large
1. 总的说来
By and large, your idea is a good one.
总的说来你的看法不错。
习惯用语by and again1.时时, 常常by and by1.不久以后; 不一会儿; 连续不断地; 立刻; 马上by and large1.总的说来, 基本上2.【航海】不管吃风不吃风(船照常行驶)by oneself1.单独2.独自, 没有人帮助by the by(e)1.顺便提一下