(idiom) single-minded; fully focused
专 · 4 strokes
Depicts a hand (寸) spinning a wheel (叀). Based on the original meaning "turn", now written as 轉. The current meaning is a phonetic loan. The simplified character 专 was adapted from the cursive form of…
心 · 4 strokes
Depicts a heart.
致 · 10 strokes
Phonosemantic compound. 攵 represents the meaning and 至 represents the sound.
志 · 7 strokes
Phonosemantic compound. 心 represents the meaning and 士 represents the sound. In simplified Chinese 志 is also used to mean "write down, record", while in traditional Chinese this meaning is written wit…
他专心致志地做实验，连饭都忘了吃。
He was so focused on the experiment that he even forgot to eat.