pruːf noun
4
the proof of the pudding (is in the eating)
used to say that you can only know whether something is good or bad after you have tried it 布丁好不好,吃了才知道〔只有通过体验才能判断事物的好坏〕
adj
6
be proof against sth
to be too strong or good to be affected by something bad [文] 能抵抗某物; 能对抗某物; 能防御某物 literary
他们的防卫工事足以对抗大多数武器的攻击。