to remain fresh in one's memory (idiom)
记 · 5 strokes
Simplified form of 記. Phonosemantic compound. 言 represents the meaning and 己 represents the sound.
忆 · 4 strokes
Phonosemantic compound. 忄 represents the meaning and 乙 represents the sound. Simplified form of 憶.
犹 · 7 strokes
Phonosemantic compound. 犭 represents the meaning and 尤 represents the sound. Simplified form of 猶. Based on the original meaning "type of monkey". The current meaning is a phonetic loan.
新 · 13 strokes
Phonosemantic component. 辛 represents the sound, and 斤 (axe) and 木 (tree) represent the original meaning "firewood", now written as 薪. The meaning later shifted to "fresh" and "new".
虽然过去了十年,但我记忆犹新。
to remain fresh in one's memory (idiom)