vt (1)认(以)为(think without being sure or without having proof)[T+n，T+that，C+n+to-inf]：～danger/trouble以为有危险/麻烦;begin to～an ambush/a plot 开始认为有埋伏/阴谋;I～(that there is) a trap. 我认为有陷井。The early Greeks were the first to～that the earth is round. 早期的希腊人最早认为地球是圆的。～sb to be dying/have done sth以为某人要死了/做过某事;～sb to be a spy/sth to be a lie 认为某人是间谍/某事是谎言;〖同〗believe，think;

(2)怀疑(某人)犯有罪错(consider (sb) possibly guilty，without having proof)[T+n，T+n+prep (of)]：The milk jug has been overturned，and I～the cat. 牛奶壶翻了，我怀疑是猫搞的。Whom do you～(of the crime)? 你怀疑是谁(犯的罪)? He seems to have～ed me of murder/some revolutionary designs. 他似乎曾怀疑我谋杀过人/有进行变革的图谋。He was～ed， and accused of selling state secrets/being the thief/receiving stolen property. 他被怀疑并被指控出卖国家机密/是小偷/收受被盗财产。

(3)怀疑，不信任(have suspicion;mistrust)[T+n]：～everybody/sb's motives/sb's sincerity/sb's air of honesty/the truth of sb's statement 怀疑所有的人/某人的动机/某人的真诚/某人诚实的姿态/陈述的真实性;He says he is doing it only for his children but I～his reasons. 他说他做这事只是为了孩子，但是我不相信他的理由。The police don't know who committed the crime，but they～Johnson. 警方不知道谁犯罪，但是他们怀疑约翰逊。〖同〗mistrust，doubt，distrust，question;〖反〗trust，believe;

(4)猜想，觉得(suppose)[T+that](infml)：I～the children will want to go home soon/they'll be a little late. 我猜想孩子们想尽快回家/他们会晚一点。〖同〗guess，imagine，fancy，judge，presume，suppose;〖反〗 know;

→suspected adj 被怀疑的;suspicion n;

n 嫌疑人(person who is thought guilty)[C]：Several murder～s were arrested. 几名凶杀嫌疑人被逮捕。There are three possible～s in this murder case. 在这一凶杀案中，可能有三名嫌疑人。The～is being held at the police headquarters for questioning. 嫌疑人羁押在警察局受审。

adj 可疑的，靠不住的(that one cannot trust or be sure about)：a rather～result 一个相当可疑的结果;a～tyre 不保险的轮胎;I think the statement/the evidence(for this theory)/his reasons (for being absent) is～. 我认为该陈述/(这一理论的)证据/他(缺席)的理由是靠不住的。His fitness cannot be～. 他的健康状况是靠得住的。

→sus′picion n