flaky
US /ˈfleɪ.ki/
UK /ˈfleɪ.ki/

1.
2.
靠不住的, 古怪的
(of a person) unreliable or eccentric; prone to changing plans or forgetting things
:
•
He's a bit flaky, so don't rely on him to be on time.
他有点靠不住,所以别指望他准时。
•
Her ideas can be a bit flaky, but sometimes they're brilliant.
她的想法可能有点古怪,但有时却很出色。