1)We thought the figures were correct. However， we have now discovered some errors.我们原以为这些数据正确，不过我们现在发现了一些错误。
2)However， he smothered， as best he was able， these feelings.然而，他尽其所能抑制住了这些感情。
3)If， however， you are an extrovert you are quite likely to enjoy it.然而，如果你是一个性格外向的人，你很可能会喜欢它。
4)It was， however， a little disappointing.不过，这有点儿令人失望。