(1) bold：侧重指面对困难或危险时勇往直前，勇于进取的勇敢精神

Amrita becomes a bold, daring rebel. 阿姆里塔成了一个勇敢无畏的叛逆者。

In 1960 this was a bold move. 在1960年，这是一个大胆的举动。

Poland was already making bold economic reforms.  波兰已在大刀阔斧地进行经济改革。

(2) desperat：表示因绝望而孤注一掷的，铤而走险的，拼命的

Troops are needed to help get food into Kosovo where people are in desperate need. 需要军队帮助将科索沃人民亟需的食品送抵那里。

Desperate with anxiety, Bob and Hans searched the whole house. 焦急万分的鲍勃和汉斯把整座房子找了个遍。

He made a desperate attempt to hijack a plane.  他铤而走险，企图劫持一架飞机。