Noviro
核心
HSK6
Simplified 核心
Traditional 核心
Pinyin hé xīn
Definition core; nucleus
这是问题的核心
Zhè shì wèntí de héxīn
This is the core of the problem
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心
xīn
heart; mind; intention; center; core
HSK3
小心
xiǎo xīn
to be careful; to take care
HSK2
开心
kāi xīn
to feel happy; to rejoice; to have a great time; to make fun of sb
HSK2
关心
guān xīn
to be concerned about; to care about
HSK2
中心
zhōng xīn
center; heart; core
HSK2
心里
xīn lǐ
chest; heart; mind
HSK2
心情
xīn qíng
mood; frame of mind
HSK2
放心
fàng xīn
to feel relieved; to feel reassured; to be at ease
HSK2