2013高考英语备考：have + difficulty + doing sth 用法说明

　　have/find + difficulty/trouble + (in)doing sth ./ with sth.

　　There be + difficulty/trouble + (in) doing sth./with sth.做某事有困难/麻烦;在……方面有困难/麻烦。

　　其中的difficulty和trouble为不可数名词;doing前的介词in 可省略。

　　①I have some difficulty(in)pronouncing some English words.有些英语单词我发音有困难。

　　②Everyone in the town knew him; so we had no difficulty(in) finding his house。镇上所有的人都认识他，所有我们毫不费力就找到了他的家。

　　③The boy had little difficulty with maths.这孩子学数学没困难。

　　④There was much difficulty (in) finding him.好不容易才找到他。

　　have mercy on/upon sb.

　　该短语意为“宽恕(或可怜)某人”，类似的词组还有show mercy to sb.。

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