He was a career diplomat having served in a number of posts throughout the western world.

他是个职业外交家，在西方世界许多地方任过职。

youdao

Amb. Shin bong-kil is a career diplomat currently serving as the Secretary-General of the Trilateral Cooperation Secretariat.

申凤吉大使是职业外交官，现任中日韩三国合作秘书处秘书长。

youdao

He started his official career as a diplomat.

他从当外交官起开始了他的从政生涯。

《新英汉大辞典》

Burns, who is the senior American career diplomat, said he gave Mr.Singh a letter from U.S.President Barack Obama.

VOA: standard.2009.06.11

He was a career diplomat before being chosen as Mr Chirac's chief of staff.

BBC: Profile: Dominique de Villepin

The foreign minister, Celso Amorim, a career diplomat, is a former ambassador to the World Trade Organisation.

ECONOMIST: Brazil's presidency

The real work in the embassy is often done by the deputy chief of mission, a career diplomat.

ECONOMIST: The American ambassador