sanguine

名词 sanguine:

1. a blood-red color

形容词 sanguine:

1. confidently optimistic and cheerful
2. inclined to a healthy reddish color often associated with outdoor life
   同义词：rubicund, ruddy, florid

1. We are sanguine that we shall be succeeding.
   我们自信会成功。
2. He is not very sanguine about our chances of success.
   他对我们成功的机会不太乐观。