首部

wǒ rèn wéi tā de shǒu bù diàn yǐng gèng hǎo

我认为他的首部电影更好。

My personal opinion is that his first film was better.

tā de shǒu bù yǐng piàn zào chéng le jí dà de hōng dòng

她的首部影片造成了极大的轰动。

Her first film was absolute dynamite.