他是公司的首席执行官。
tāshì gōngsī de shǒuxí zhíxíng guān 。
He is the chief executive officer of the company.
在这个会议上,首席代表发表了演讲。
zài zhègè huìyì shàng , shǒuxí dàibiǎo fābiǎo le yǎnjiǎng 。
At this meeting, the chief representative gave a speech.
首席设计师负责整个项目的创意和设计。
shǒuxí shèjì shī fùzé zhěnggè xiàngmù de chuàngyì hé shèjì 。
The chief designer is responsible for the creativity and design of the entire project.