用心良苦 yòngxīnliángkǔ to give much thought to something Definitions Defs Origin Strokes Stroke Words Sentences Sents 用心 yòngxīn verb + noun diligent to be attentive; to be diligent or careful; to apply oneself to something良苦 liángkǔ painstaking; very hard (literary) extremely laborious or painful; painstaking (often used in the phrase 用心 yòngxīn 良苦 liángkǔ to describe well-intentioned efforts)
