Better master one than engage with ten. 2.He that knows nothing doubts nothing. 3.A watched pot never boils. 4.No root, no fruit.是什么意思_Better master one than engage with ten. 2.He that knows nothing doubts nothing. 3.A watched pot never boils. 4.No root, no fruit.在线翻译_英语_读音_用法_例句