Search the dictionary A Chinese word or character, or English Draw a character Search 4 entries. dìngxīnwán 定心丸 tranquilizer chīledìngxīnwán 吃了定心丸 to feel reassured chīdìngxīnwán 吃定心丸 to be reassured by a promise or guarantee tūndìngxīnwán 吞定心丸 to get reassurance and stop worrying