"I went to a lot of trouble"
"he won without any trouble"
"had difficulty walking"
"finished the test only with great difficulty"
"serious difficulties were encountered in obtaining a pure reagent"
"grappling with financial difficulties"
"they agreed about the difficulty of the climb"
Peifer twisted around on the sofa, slowly and with difficulty.
出自： J. Thurber
误 There is no difficulty to find him.
正 There is no difficulty in finding him.
析 difficulty如需用非谓语动词作定语,须用(in+) v -ing,不可用动词不定式。
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