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(tái)機(jī)器是如何運(yùn)轉(zhuǎn)的。 返回 painstakingly