難的的用法和樣例：
例句
-
需要進(jìn)行艱難的談判。
Some hard bargaining is called for. -
戴維覺(jué)得（與別的孩子）交朋友是很難的事。
David finds it hard to make friends (with other children). -
讓他說(shuō)話(huà)不難，難的是說(shuō)開(kāi)了止不住他
It's not hard to get him talking; the problem is stopping him! -
那是一段艱難的日子。
That was a hard time.
