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不遗余力 /bùyíyúlì/ meaning in English

ChineseEnglish
不遗余力 /bùyíyúlì/ verb

go all out(put forth all possible effort)
verb
[UK: ɡəʊ ɔːl ˈaʊt] [US: ˈɡoʊ ɔːl ˈaʊt]

go to great lengths(make a major effort)
verb

spare no effort(do everything within one's powers to achieve something)
verb
[UK: speə(r) nəʊ ˈe.fət] [US: ˈsper ˈnoʊ ˈe.fərt]