小老头的英文：
little runt

Because this undersized, sickly, disagreeable, fascinating little man was right all the time. The joke was on us
原因就在于，这位五短身材、病病怏怏、脾气暴躁、富于魅力的小老头永远是正确的。

He is recovering little by little.
他的健康正在渐渐地恢复起来。

Little by little and Bit by Bit
积少成多,积沙成塔

What costs little is little esteemed.
便宜的东西得不到珍视。

A little bird is content with a little nest.
小鸟满足于小巢。

Profound knowledge is accumulated little by little.
渊博的知识是逐渐积累起来的。