zhè / bù / diànyǐng / kāitóu / hěn / yǒu / xīyǐnlì / dàn / hòubànduàn / míngxiǎn / fá lì

这部电影开头很有吸引力，但后半段明显乏力。

This film is very engaging at the beginning, but its second half is noticeably weak.