Collins Chinese Dictionary Plus (3rd edition), 2011:
whitewash [ˈwaɪtwɔʃ]
I n
1
[u]
(=paint) 白涂(塗)料 bái túliào
2
[c/u]
(=cover-up) 粉饰(飾) fěnshì
3
[c]
(inf) (Sport) 得零分的惨(慘)败(敗) dé língfēn de cǎnbài
II vt
1
(=paint) 粉刷 fěnshuā
2
(=cover up) 粉饰(飾) fěnshì