察觉 chájué to sense
to sense; to perceive; to become aware of; to detect
How to remember 察觉: 察 inspect + 觉 feel = to sense.
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How it is used
- To become aware of / detect something subtle - 她没有察觉到危险 (tā méiyǒu chájué dào wēixiǎn) she didn't sense the danger.
- About perceiving something hidden or faint (a change, a mood, a threat), often used in the negative; contrast 发现 (fāxiàn), which is discovering a concrete fact.
- Frequently 察觉到 with a following object.