v. become broader or wider or more extensive
v. make wider
v. extend in scope or range or area
vt. 弄宽, 加宽, 扩大
vi. 变宽, 扩大
1. She decided to widen the doorway to make it easier for furniture to pass through.
她决定扩大门口，以便家具更容易通过。
2. The government plans to widen the road to reduce traffic congestion.
政府计划扩宽这条道路，以减少交通拥堵。
3. He wants to widen his knowledge by reading more books.
他想通过多读书来扩大自己的知识。