To aspire to great things despite one's humble capacity; though weak, one is willing to undertake heavy responsibilities.
尽管他的资历尚浅，但他蚊思负山，主动请缨承担了团队中最具挑战性的项目。
Although his qualifications are still shallow, he, "like a mosquito contemplating carrying a mountain," proactively volunteered to take on the most challenging project in the team.
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