留心 liúxīn to be careful
to be careful; to pay attention to
怎么记住“留心”: 留 remain + 心 heart = to be careful.
汉字
用法
- To watch out for / keep an eye on - 留心脚下 (liúxīn jiǎoxià) mind your step; 留心观察 (observe attentively).
- A verb of active attentiveness/caution, often an imperative warning; can take an object with 留心 + noun.
- Near-synonyms 留意/留神/当心 all mean 'be careful/attentive'; 留心 leans toward attentive noticing.