幼稚yòu zhì
young, childish, naive庄重zhuāng zhòng
grave, solemn, dignified开明kāi míng
enlightened, open-minded开朗kāi lǎng
spacious and well-lit, open and clear心态xīn tài
attitude (of the heart)心灵xīn líng
bright, smart, quick-witted, heart心疼xīn téng
to love dearly, the pain of love心眼儿xīn yǎn r
one's thoughts, mind, intention忍耐rěn nài
to show restraint, to repress (anger etc)