effort可數還是不可數名詞[朗讀]

effort 的意思是成就、努力，是可數名詞，複數是：efforts
例句：
his efforts were unsuccessful
他的努力沒有成功。
his efforts were to no avail
他的努力是徒勞的。
they laughed at my puny efforts
他們嘲笑我微不足道的努力。
擴展資料。
his efforts were amply rewarded
他的努力得到了豐厚的回報。
all my efforts ended in failure
我的一切努力最後都無濟於事。
their efforts to revive him were futile
他們努力使他甦醒，但失敗了。
efforts to preserve the peace have failed
維護和平的`努力失敗了。
his efforts to get a job proved unsuccessful
他求職的努力都落空了。