2. [Pronunciation]: qiān Chang guàdé
3. [Source]: Feng Ming Menglong's "Yu's Ming Yan": "When; Worry about it; Go later; It's fascinating. "
4. He is worried about his son who is studying in a different place.
5, [near meaning]: children are deeply affectionate and never forget.
6. [antonym]: carefree, carefree, indifferent, put it behind your head and have a heart of stone