简体
繁體
pīnyīn
ㄅㄆㄇㄈ
yīdàn
if
一旦
in case (sth happens); if; once (sth happens, then...); when; in a short time; in one day
HSK level 5
Appears in 31.0588% of movies
1028th most common word in movies
1576th most common word in books
CC-CEDICT
