動詞 fulfill:

1. put in effect
   同義詞：carry through, accomplish, execute, carry out, action, fulfil
2. fulfil the requirements or expectations of
   同義詞：satisfy, fulfil, live up to
3. fill or meet a want or need
   同義詞：meet, satisfy, fill, fulfil

1. The company has to fulfill the terms of its obligation.
   這個公司必須履行合同條款。
2. Though they think it takes no more than three days to fulfill the mission, I believe it takes not less than six days.
   雖然他們認為完成這任務只需三天，但我卻認為至少需要六天。
3. You must fulfill your promise.
   你必須履行諾言。
4. Does your job fulfill your expectations?
   你的工作符合你的期望嗎？

fulfill 也作 ful.fil

v.tr.（及物動詞）
ful.filled,ful.fill.ing,ful.fills 也作 ful.fils
To bring into actuality; effect:
履行：使應驗；實現(xiàn)：
例句：
fulfilled their promises.
實現(xiàn)他們的諾言

To carry out (an order, for example).
執(zhí)行（如命令）
To measure up to; satisfy.See Synonyms at perform See Synonyms at satisfy
達到；使?jié)M意參見 perform參見 satisfy
To bring to an end; complete.
使結束；完成

來源：
Middle English fulfillen
中古英語 fulfillen
from Old English fullfyllan
源自 古英語 fullfyllan
full [full] * see full
full [充滿的] *參見 full
fyllan [to fill] * see fill
fyllan [使充滿的] *參見 fill

【引伸】
fulfill.er
n.（名詞）
fulfill.ment 或
fulfil.ment
n.（名詞）