dǎ​jiān​miè​zhàn

to fight a war of annihilation

打歼灭战 打殲滅戰 dǎ//jiān​miè​zhàn
to fight a war of annihilation
To carry out a battle or campaign intended to completely or largely destroy the enemy's forces; literally to fight a war of annihilation
to focus efforts on a task
To concentrate all available resources and energy on finishing a specific task or project quickly; often used in a figurative sense