That is the most pessimistic number you can have.

那可是你所可以拥有的最保守的数量。

Hong Kong people are the most pessimistic in Asia, according to the results of an opinion poll.

一项调查显示，香港市民在亚洲中是最悲观的。

The ice cap has begun to melt at a speed that even the most pessimistic scientists did not envision 10 years ago.

冰冠融化的速度连最悲观的科学家十年前也预计不到。