1·It's hard to say what caused the accident.
很难说造成事故的原因是什么。
—— 《牛津词典》
2·It's hard to say at this stage how the market will develop.
在现阶段很难说市场会如何发展。
—— 《柯林斯英汉双解大词典》
3·It is hard to say whether there's a right or wrong way to read poems, but reading practices will enrich your experience, increase your enjoyment, and deepen your understanding of any poem.
很难说阅读诗歌的方式是对是错，但阅读练习会丰富你的体验，增加你的享受，加深你对诗歌的理解。
4·Er, right now it's hard to say.
额，现在还很难说。
5·It's hard to say where soccer's birthplace is.
很难说足球的诞生地在哪里。
6·It is hard to say what are the best procedures.
很难说出最好的程序是什么。
7·She finds it hard to say what she feels.
她觉得心里的感受难以言述。
—— 《牛津词典》
8·It's hard to say what his intentions were in saying that.
他说这番话，不知存的什么心。
—— 《新英汉大辞典》
9·Hard to say what's important.
很难说什么是重要的。
10·But it's hard to say right now.
但是目前还很难说。