susceptible,liable,prone,subject apt likely
易于……,有……倾向性
(1)susceptible,liable,prone,subject 均含贬义色彩,均可用于(be)~ to sth 的结构中。
subject
易于受到问题、疾病等不好事物影响的,可译为“易遭受……的”
You are more subject to injury if you exercise
infrequently.不经常运动就更容易受伤。
liable
①同subject 同subject
②还可接不定式,指”易于或可能发生(不好的或有害的事)的,有做(坏事的)倾向的”
Tired drivers were found to be particularly liable to ignore warning
sings.据调查,疲劳驾驶时特别容易忽视警示标志。③be liable to do sth 也可表示中性意义“可能做某事”
prone
①同subject 同subject
②同liable② 同liable②
susceptible
除有上述“易受不好事物影响的”贬义色彩含义外,也可指中性的“易受……影响的”
见subject;Men are supposedly easily susceptible to feminine
charms.据称男人易受女性魅力的诱惑。
(2)likely与apt都表示中性的含义,都要接不定式。
likely
“可能的”,仅表示可能性;还可接that从句或用作定语
Tickets are likely to be expensive.票可能很贵。the most likely outcome最可能的结果
apt
“易于……”,指有自然的、顺理成章的倾向(natural tendency);
apt to be forgetful健忘;Babies are apt to put objects into their
mouths.婴儿爱把东西往嘴里塞
注意:apt 作定语时意为“适当的,恰当的;(人)天资聪颖的”