chalked的用法和樣例：
例句
- The commander chalked out his plan of attack.
司令官對進攻計劃作了粗略的介紹。 - The boys chalked out goalposts on the sports ground wall.
男孩子們在運動場邊的牆上用粉筆畫上了球門柱。 - The team has chalked up its fifth win in a row.
這隊一連五次取得勝利。 - The boys chalked out goalposts on the playground wall.
男孩子們在運動場的牆上用粉筆畫上了球門柱。
