able
单词辨析：
指体力或智力方面有能力胜任的，作表语时常后接动词不定式，表示“能够…的”、“会…的”。
She is an able housewife.
她是一个能干的家庭主妇。
She is able to swim.
她会游泳。
The baby girl is able to stand up and walk.
这个女婴能站起来走路了。
指具有接受、适应等能力的，强调足以胜任某事；作表语时常后接介词 of，表示“能…的”，其主语可以是人或物。
My mother is a strong, capable woman.
我妈妈是个健壮、能干的女人。
She has become a capable pilot.
她已成为一名有本领的飞行员。
He'll leave the team in your capable hands.
他将把球队交给你这位能手。
He is capable of doing everything.
他什么事都能干。
The hall is capable of holding about three hundred people.
这个大厅能容纳大约三百人。
相关例句：
He was both willing and able to subordinate all else to this aim.
为了这个目标他愿意并能够把其他一切都放在次要的位置。
Parents will be able to discuss their child's progress with their teacher
家长将可以和老师交流谈论子女的进步情况。
Any knowledgeable wine merchant would be able to advise you.
任何一个懂行的葡萄酒商人都可以给你提出建议。
He was able to hold back his anger and avoid a fight.
他忍住了怒气，避免了一场殴斗。
They seemed able to work together very efficiently.
他们看来能很有效率地合作。
He was able to sever all emotional bonds to his family.
他切断了和家人的所有感情纽带。