catch和catch up with都有“趕上”的意思；catch作“趕上”解時，主要是指“趕上汽車、火車等交通工具”或“趕上看。。。節目”。如：You must run if you want to catch the bus.If we go home now,we might catch the 10:00 news.catch up with除了“追趕上同一方向行進的人之外，也可以用於抽象意義上的“趕上；趕上。。。的水平”。如：You walk on ahead,I shall soon catch up with you . After being out school so long,she had to work hard in order to catch up with the others.catch up趕上（工作進度）；敘舊（即互相補上個人情況),用法與catch up with相近。catch和catch up和catch up with後均跟人或物。
catch和catch up with都有“趕上”的意思；catch作“趕上”解時，主要是指“趕上汽車、火車等交通工具”或“趕上看。。。節目”。如：You must run if you want to catch the bus.If we go home now,we might catch the 10:00 news.catch up with除了“追趕上同一方向行進的人之外，也可以用於抽象意義上的“趕上；趕上。。。的水平”。如：You walk on ahead,I shall soon catch up with you . After being out school so long,she had to work hard in order to catch up with the others.catch up趕上（工作進度）；敘舊（即互相補上個人情況),用法與catch up with相近。catch和catch up和catch up with後均跟人或物。