Try to cultivate a less brusque manner.

尽量去培养不那么粗暴的举止。

His manner was self-assured and brusque.

他的举止自负而且粗鲁。

His manner is brusque and prosecutorial: “cold to colleagues and cruel to staff”, as the National Review said.

国家观察写道：他的方法是唐突的，苛刻的，对同事冷漠，对职员残酷。

His manner was brusque.

他的举止唐突。