efforts中文是啥意思

effort 1.名词(energy)努力awasteofeffort白费力 2.名词(attempt)尝试Itwasagoodeffort.这是个很好的尝试。 3.名词(physical/mentalexertion)费力Itwasanefforttoconcentrate.费劲地集中精力。tomakeanefforttodosth努力做某事withaneffort费力地...