vt.
1. 計算；核算：例句: We must first calculate the horse-power needed to propel the ship.
我們必須首先計算出驅動這艘船需要多大馬力。2. 估計，估量；預計，預測；推斷：例句: I calculated that he would arrive at midnight.
我估計他將在午夜到達。3. 計劃；籌劃；打算：例句: This school is calculated for retarded children.
這所學校是為弱智兒童開辦的。4. [美國口語]以為，認為；覺得；猜測：例句: I calculate he is wrong in saying that.
我認為他說的那句話是錯誤的。5. [美國方言]想(去、做等)，想要(常與 to 連用)：例句: They calculate to go to Nanjing next Wednesday.
他們想下星期三去南京。
vi.
1. 計算；核算；考慮：例句: When buying things he doesn't stop to calculate.
他買東西時往往不假思索。2. 估計；打算；預期；預料；指望 (常與 on 或 upon 連用)：例句: We cannot calculate upon having fine weather for the sports meeting.
我們不能指望著開運動會時會有個好天氣。3. [美國口語]以為，認為：例句: I told him that his child would pass the examination without question. But he didn't calculate so.
我告訴他他的孩子將毫無疑問會通過考試的，但他不以為然。