kill off

US /kɪl ɔf/
UK /kɪl ɔf/
"kill off" picture
1.

殺死, 消滅

to destroy or remove completely

:
The new pesticide was designed to kill off all the insects in the garden.
這種新農藥旨在殺死花園裡的所有昆蟲。
The company's poor management eventually killed off the business.
公司糟糕的管理最終扼殺了這項業務。
2.

扼殺, 使…消失

to make someone or something stop existing or being popular

:
The new technology threatens to kill off traditional industries.
新技術威脅要扼殺傳統產業。
The director decided to kill off the main character in the final episode.
導演決定在最後一集殺死主角。