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- His confidence was as much a source of strength as of danger. 他的信心既是危险的根子，也一样是力量的源泉。
- A prisoner is generally a handicap and a source of danger, particularly if you are without weapons. 俘虏一般来说是个妨碍和危险源，尤其是你没有武器的时候更是如此。
- A source of irritation or annoyance. 令人生气的事或者引起烦恼之事
- He's been a source of discord and worry. 他成为不和和烦恼的根源。
- A source of harassment, annoyance, or pain. 使人痛苦的东西骚扰，烦恼或痛苦的来源
- A source of deep mental anguish. 悲痛的缘由精神极度痛苦的根源
- A source of nagging concern or uneasiness. 忧虑的事令人烦恼不安的担忧或不安的原因
- A source of spreading corruption or decay. 腐败的原因传布腐败或腐朽的根源
- Bad food is a source of illness. 坏了的食物是疾病之源。
- A source of annoyance; a nuisance. 烦恼的根源，棘手的事苦恼的根源；讨厌的东西或人
- A source of such energy, as a waterfall. 产生这样能量的源泉，如瀑布
- Economy is in itself a source of great revenue. 节约本身就是最大的收入。
- Folk songs are a source of literature. 民歌是文学的一个源头。
- A source of usable power,such as petroleum or coal. 能源可用能量的来源，如石油或煤
- He's totally unreliable as a source of information. 他提供的消息完全不可信。
- A red light is usually a signal of danger. 红灯通常是危险的信号。
- Success in sport is a source of national pride. 体育成就是民族光荣的源泉。
- Anything that can burn is a source of heat energy. 任何能够燃烧的东西都是热能源。
- In a radio tube there is a source of electrons. 在电子管中，有一个电子发射源。
- We need to reduce our dependence on oil as a source of energy. 在能源方面,我们需减少对石油的依赖。
