他的确是赚钱的一把好手
THE DIALOGUE REEL
这个人我是了解他的
他 的确是 赚钱 的 一把好手
他之前
Direct spoken expression in this communicative setting.
In Chinese business culture, personal endorsement of someone's capability based on prior relationship carries significant weight in building trust.
LEARNING CHUNKS & PARTICLES
indeed is / certainly is
Use this to strongly confirm a fact or agree with an assessment, slightly more formal than '真是'.
a dab hand / an expert / a master at something
A vivid, idiomatic noun phrase used after '是' and a modifier (like '赚钱的') to praise someone's practical skill.