苦心孤诣
- na.try hard to
- 网络stay on the straight and narrow; Notable achievement after persistent work; notable achievements after persistent work
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苦心孤诣
1.try hard to (do); make [have; register] a notable achievement after extraordinarily persistent and painstaking efforts; make extraordinarily painstaking efforts; notable achievement after persistent work; toil single-heartedly; with patience and enduring resolve; work with a bitter heart and make progress single-handed
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