简体
繁體
pīnyīn
ㄅㄆㄇㄈ
xìnshìdàndàn
to make a solemn vow
信誓旦旦
Not found in HSK word list
Appears in 0.2403% of movies
30385th most common word in movies
21972nd most common word in books
CC-CEDICT