大概 → ☊ da4gai4 
roughly; probably; rough; approximate; about; general idea ☊ 
Có lẽ ☊ 大概 ☊ → 或许 ☊ → ☊ → 
maybe 潜在地 ☊ → 可能地 ☊ → 大概地 ☊ → potentially 也许 ☊ → 大概 ☊ → 推测起来 ☊ → presumably 或有的 ☊ → 大概的 ☊ → ☊ → probable 很可能 ☊ → 大概 ☊ → ☊ → probably