留心

• ピンイン: liú xīn
• 漢字の分解: 留 = to keep, fix; 心 = heart, mind

意味

注意深く気を配る／観察する

Suggests an active, sustained form of attention rather than momentary alertness. Often used when encouraging someone to observe details, monitor a situation, or remain aware of something over time. Slightly more literary than 留神.

例文

1. 研究人员在实验过程中必须留心记录每一个细节，以确保数据的准确性。
2. 她从小就养成了留心观察周围事物的习惯，这让她成为了一名出色的记者。
3. 教练提醒运动员在比赛中要留心对手的战术变化，及时做出应对调整。

使い方ガイド

場面: observation, academic, professional

トーン: attentive

正しい言い方

• 平时要留心积累词汇，这对提高写作水平很有帮助。(Pay attention to accumulating vocabulary in daily life — it is very helpful for improving writing.)
• 他留心观察了好几天，终于发现了问题的根源所在。(He paid careful attention for several days and finally identified the root cause of the problem.)

避ける言い方

• 把留心和注意当成完全相同的词 — 留心 implies sustained, deliberate observation over time, while 注意 is broader and can refer to momentary focus or a simple directive (留心 and 注意 overlap but are not identical — 留心 implies sustained mindful attention, while 注意 is broader)

起源と歴史

留 (to keep, focus) + 心 (heart, mind) — to keep one's heart and mind focused on something.

文化的背景

世代: All ages

社会的背景: Universal