1. 只要你肯尝试，你一定能做这件事。

[ zhǐ yào nǐ kěn cháng shì ， nǐ yī dìng néng zuò zhè jiàn shì 。 ]

If you would only try, you could do it.

2. 他以前的尝试没有成功。

[ tā yǐ qián de cháng shì méi yǒu chéng gōng 。 ]

His previous attempts had been unsuccessful.