painstakingly

劍橋詞典

in a way that shows you have taken a lot of care or made a lot of effort
精心地；悉心地，刻苦地
She painstakingly explained how the machine worked . 她悉心地解釋這臺機(jī)器是如何運(yùn)轉(zhuǎn)的。 返回 painstakingly