be apt to

• Iron is apt to rust .
  铁易生锈。
• His clothes were apt to look oily, and smell of eating-houses .
  他的衣服常常是油腻腻的，发出一股小饭馆的味道。
• Their optimism is apt to be decidedly conditional and tremulous .
  他们的乐观主义显然是有条件的而且是犹豫不定的。
• His insistence upon precision of language is apt to seem fussy .
  他斤斤计较文字的精确性，有时到了小题大作的程度。
• Thus they are apt to adopt some kind of historicist moral theory .
  这样，他们就倾向于采取某种历史决定论的道德学说。
• Successive bouts of heart failure are apt to become more refractory to treatment .
  连续发作的心力衰竭可能变得难于治疗。
• Miss brooke knows that they are apt to become feeble in his utterance .
  布鲁克小姐明白，他的话一出口，就变得味同嚼蜡了。
• Rudimentary parts, as it is generally admitted, are apt to be highly variable .
  正如一般所承认的，不完全的器官最易起变异。
• Consequently angularities are apt to occur both below and above unconformities .
  因此，交角往往出现在不整合面的上部或下部。
• He who has traveled far and seen much is apt to fancy that he has lived long .
  一个见多行远的人，易有人生久远、岁月漫长的感觉。