如何使用 "undeceive" 造句

1. His behaviour soon undeceive her as to his true intention .
他的行为很快就使她明白了他的真实意图。
2. On the contrary , every particular relative to his sister was meant to be kept as much as possible to myself ; and if I endeavour to undeceive people as to the rest of his conduct , who will believe me ?
他反而吩咐我说,凡是牵涉到他妹妹的事,都要尽量保守秘密;说到韦翰其他方面的品行,我即使要对大家说老实话,又有谁会相信?