tā / gāng / lái / gōng sī / hái / zài / shì shǒu / jiē duàn / bìng wèi / zhèng shì / shàng gǎng

他刚来公司，还在试手阶段，并未正式上岗。

He just joined the company and is still in the probationary stage, not yet officially on duty.