The weak dollar is a source of humiliation, for a nation's self-esteem rests in part on the strength of its currency.
美元疲软是屈辱的根源，因为一个国家的自尊在一定程度上取决于其货币的实力。
2
Many of their cattle, their sole source of support, were now too weak to stand.
他们养的牛，是支撑家庭的唯一来源，现在也是虚弱到不能站立。
3
Virtualization might have flawed mechanisms for tapping that entropy source, or hav-ing several VMEs on the same host might exhaust the available entropy, leading to weak random number generation.