whim
US
UK whim n: (sudden desire)
SC 心血来潮 xīn xuè lái cháo
TC 心血來潮
TC 心血來潮
SC 突如其来的愿望 xīn xuè lái cháo，tū rú qí lái de yuàn wàng
Adam's desire to learn Japanese was a whim that soon disappeared when he realised how difficult it was.
on a whim adv: (out of a sudden fancy or urge)
SC 冲动 chōng dòng
TC 衝動
TC 衝動
SC 一时兴起