1．weak adj.虚弱的→weakly adv.虚弱地→weaken v．(使)虚弱→weakness n．弱点；虚弱
2．pessimism n．悲观；悲观主义→pessimist n．悲观主义者→pessimistic adj.悲观的，悲观主义的→pessimistically adv.悲观地
3．anticipate v．预期，预料→anticipated adj.预料中的；预期的→anticipation n．预料；预期
4．possess v．拥有；占有→possession n．财产，财物→possessor n．拥有者；持有者
5．recognise v．识别→ recognition n．承认，认可→recognisable adj.可辨认的→ recognisably adv.可被辨认地
