副詞 little by little:

1. a little bit at a time
   同義詞：piecemeal, bit by bit, in stages
2. by a short distance
   同義詞：by inches, by small degrees

1. His English is improving little by little.
   他的英語漸有提高。
2. Little by little the snow disappeared.
   雪漸漸消失。
3. He has changed year by year and little by little.
   他隨時間逐漸改變。
4. Little by little; gradually.
   一點一點地; 逐漸地