難于的用法和樣例：
例句
-
我的未完成的過(guò)去，從后邊纏繞到我身上，使我難于死去。請從它那里釋放了我吧。
Release me from my unfulfilled past clinging to me from behind making death difficult. -
婚姻是一樁難于預測的事。
Marriage is a lottery. -
它不僅難于點(diǎn)著(zhù)，而且聞起來(lái)有一股油味。
Not only was it difficult to light, but it smelled of oil.
