Amateurs fall by the wayside when the going gets tough.业余爱好者遇到困难时往往半途而废。We must care for the weak who would otherwise fall by the wayside.我们要关心那些弱者，不然他们会因失败而放弃努力的。Most people fall by the wayside.大多数人半途而废。Luxury items fall by the wayside during a recession.在经济衰退时期，奢侈品就会乏人问津。