焉：怎么。不进老虎窝，怎能捉到小老虎。比喻不亲历险境就不能获得成功。
The only way to catch tiger cubs is to go into the tiger's den; nothing venture,nothing gain
不(bù fǒu)
入(rù)
虎(hǔ)
穴(xué)
()
焉(yān)
得(dé děi de)
子(zǐ)
