suggestion是不是可数名词
suggestion既是可数名词又是不可数名词。当意为“建议”的意思时是可数名词；当意为“些微”的意思时是可数名词；当意为“推测的理由”的意思时是不可数名词；当意为“暗示”的意思时是不可数名词。
Can I make a suggestion?
我提个建议好吗？
There was no suggestion that he was doing anything illegal.
说他在从事非法活动无任何根据。
If I may make a suggestion, perhaps we could begin a little earlier next week.
我来提个建议吧，或许我们下个星期可以早一点开始。