By every possible means; using all methods and tricks to achieve something.
想尽或用尽一切办法。
《朱子语类·论语十七》譬如捉贼相似，须是着起气力精神，千方百计去赶他。”
She tried a thousand ways and a hundred tricks to get the job.
Learn the next connected idiom: 千方百计 (qiān fāng bǎi jì) → 计上心来 (jì shàng xīn lái)
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