He is an undeclared candidate for the party president.他是该党主席的候选人, 但尚未公开宣布。

The soldier fought in the undeclared war in Cyprus in 1974.这名士兵参加了1974年塞浦路斯那场不宣而战的战争。

Undeclared goods may be confiscated.未向海关申报的货物可能会被没收。

No income should remain undeclared.任何收入都必须申报。