dinkum
adjective /ˈdɪŋkəm/
/ˈdɪŋkəm/
(also dinky di
(Australian English, New Zealand English, informal) /ˌdɪŋki ˈdaɪ/
/ˌdɪŋki ˈdaɪ/
)- (of an article or a person) real or saying only what is true
（物品或人）真实的；真正的 - If you're dinkum, I'll help you.
如果你的身份真实，我就帮你。
词源late 19th cent.: of unknown origin. - If you're dinkum, I'll help you.