懷疑 Simplified: 怀疑 On the HSK 4 vocabulary list, at CEFR level B2. huáiyí ㄏㄨㄞˊ ㄧˊ to doubt (sth) to be skeptical of to have one's doubts to harbor suspicions to suspect that Where 懷疑 is used Example sentences and grammar articles using 懷疑 Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0 国际中文教育中文水平等级标准, 中华人民共和国教育部, MIT