strain at a gnat计较小节;拘泥小节：They are inexperienced in dealing with problems，they often strain at a gnat but neglect major points.他们在处理问题上没有经验，因为他们时常计较小节而忽略了重要事项。strain at/on 努力做;用力做：In the tug-of-war both sides strained at the rope and there appeared a temporary balance. 在拔河比赛中，双方都奋力拉绳，因而出现了暂时平衡的现象。 |