英文: Other researchers are more pessimistic.
中文: 另外一些悲观的人认为。英文: Conditions of the patient are pessimistic.
中文: 病人情况危急.英文: Don't be pessimistic about my plans.
中文: (不要对我的计划那么悲观。)英文: Her pessimistic attitude turns him off.
中文: 她那悲观的态度很令他不高兴。英文: I have to say I'm rather pessimistic.
中文: 我得说我相当悲观。