Meaning of dà shū:
dà shū
大叔
Noun
eldest of father's younger brothers; uncle (term used to address a man about the age of one's father)
Wǒ zuótiān jiàn dàole wǒ de dàshū.
我昨天见到了我的大叔。
I met my uncle yesterday.
Wǒ zuótiān jiàndào yī wèi hé'ǎikěqīn de dàshū.
我昨天见到一位和蔼可亲的大叔。
I met a kind and friendly uncle yesterday.