sufficient

Definitions

suf- (a form of sub-, here 'up to') + fic (weakened fac, 'make/do') + -ient = 'making/doing up to the needed point.' Latin sufficere meant 'to put under, supply enough.' Something sufficient has been 'made up to' the level required — no more is needed.

Common Collocations

• 1.sufficient evidence充分的证据
• 2.sufficient funds充足的资金
• 3.sufficient time足够的时间
• 4.more than sufficient绰绰有余
• 5.self-sufficient自给自足的

Example Sentences

• 1.

  We don't have sufficient evidence to convict him.

• 2.

  Make sure you have sufficient funds before traveling.

• 3.

  One example is sufficient to make the point.

Easily Confused

sufficient vs. enough: they mean the same, but enough is everyday and flexible in position ('enough money' / 'old enough'), while sufficient is formal and goes before the noun ('sufficient evidence'). You'd say 'big enough,' never 'big sufficient.'