Definition
怀疑 (huái yí) is the common verb for both 'to doubt' (be skeptical) and 'to suspect' (think something is likely true). 质疑 (zhì yí) is more formal, used to question the truth or validity of something in debates or academic contexts. 疑惑 (yí huò) emphasizes being puzzled or uncertain, while 涉嫌 (shè xián) is limited to legal/criminal suspicion.
verb
to doubtto be skeptical ofto suspectto have a suspicion that
Examples
- 怀疑。Wǒ huái yí tā shuō de huà shì bú shì zhēn de.I doubt whether what he said is true.
- 怀疑。Jǐngchá huái yí tā shì xiǎotōu.The police suspect that he is a thief.
- 怀疑。Tā cónglái bù huái yí zìjǐ de péngyou.She never doubts her own friends.
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